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1112102121210 = 2351915112920903
BaseRepresentation
bin10000001011101110011…
…100111010111011111010
310221022112022100020001020
4100023232130322323322
5121210041120334320
62210520452003310
7143226633026523
oct20135634727372
93838468306036
101112102121210
11399704722863
1215b648900536
1380b42146c42
143bb7c8a984a
151dddd194940
hex102ee73aefa

1112102121210 has 64 divisors (see below), whose sum is σ = 2828127467520. Its totient is φ = 279091483200.

The previous prime is 1112102121181. The next prime is 1112102121259. The reversal of 1112102121210 is 121212012111.

It is a happy number.

It is a super-2 number, since 2×11121021212102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1112102121210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6374382 + ... + 6546521.

It is an arithmetic number, because the mean of its divisors is an integer number (44189491680).

Almost surely, 21112102121210 is an apocalyptic number.

1112102121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1112102121210 is an abundant number, since it is smaller than the sum of its proper divisors (1716025346310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112102121210 is a wasteful number, since it uses less digits than its factorization.

1112102121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12921083.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1112102121210 its reverse (121212012111), we get a palindrome (1233314133321).

The spelling of 1112102121210 in words is "one trillion, one hundred twelve billion, one hundred two million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 151 190 285 302 453 570 755 906 1510 2265 2869 4530 5738 8607 14345 17214 28690 43035 86070 12920903 25841806 38762709 64604515 77525418 129209030 193813545 245497157 387627090 490994314 736491471 1227485785 1472982942 1951056353 2454971570 3682457355 3902112706 5853169059 7364914710 9755281765 11706338118 19510563530 29265845295 37070070707 58531690590 74140141414 111210212121 185350353535 222420424242 370700707070 556051060605 1112102121210