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111022021020212 = 221713717368886409
BaseRepresentation
bin11001001111100101010100…
…001000000000101000110100
3112120002121020112101221101022
4121033211110020000220310
5104022441044340121322
61032042451245120312
732246035115042651
oct3117452410005064
9476077215357338
10111022021020212
11324141a1589545
121055098a259098
1349c444086b873
141d5b6ccc3ac28
15cc7e0e35a942
hex64f954200a34

111022021020212 has 48 divisors (see below), whose sum is σ = 208416660091920. Its totient is φ = 51564507389952.

The previous prime is 111022021020191. The next prime is 111022021020247. The reversal of 111022021020212 is 212020120220111.

It can be written as a sum of positive squares in 8 ways, for example, as 48069761431696 + 62952259588516 = 6933236^2 + 7934246^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32831537 + ... + 36054872.

It is an arithmetic number, because the mean of its divisors is an integer number (4342013751915).

Almost surely, 2111022021020212 is an apocalyptic number.

It is an amenable number.

111022021020212 is a deficient number, since it is larger than the sum of its proper divisors (97394639071708).

111022021020212 is a wasteful number, since it uses less digits than its factorization.

111022021020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68886740 (or 68886738 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111022021020212 its reverse (212020120220111), we get a palindrome (323042141240323).

The spelling of 111022021020212 in words is "one hundred eleven trillion, twenty-two billion, twenty-one million, twenty thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 137 173 274 346 548 692 2329 2941 4658 5882 9316 11764 23701 47402 94804 402917 805834 1611668 68886409 137772818 275545636 1171068953 2342137906 4684275812 9437438033 11917348757 18874876066 23834697514 37749752132 47669395028 160436446561 202594928869 320872893122 405189857738 641745786244 810379715476 1632676779709 3265353559418 6530707118836 27755505255053 55511010510106 111022021020212