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1111211002244 = 227240949927779
BaseRepresentation
bin10000001010111001010…
…101100100100110000100
310221020020012112200122002
4100022321111210212010
5121201230004032434
62210252220124432
7143165562450200
oct20127125444604
93836205480562
101111211002244
11399297706a02
1215b43a396718
1380a2c63ca05
143bad63c1b00
151dd89d1e57e
hex102b9564984

1111211002244 has 72 divisors (see below), whose sum is σ = 2272265100000. Its totient is φ = 474099792768.

The previous prime is 1111211002183. The next prime is 1111211002247. The reversal of 1111211002244 is 4422001121111.

It is a super-2 number, since 2×11112110022442 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1111211002247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39987947 + ... + 40015725.

It is an arithmetic number, because the mean of its divisors is an integer number (31559237500).

Almost surely, 21111211002244 is an apocalyptic number.

1111211002244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1111211002244 is an abundant number, since it is smaller than the sum of its proper divisors (1161054097756).

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

1111211002244 is a wasteful number, since it uses less digits than its factorization.

1111211002244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28705 (or 28696 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1111211002244 its reverse (4422001121111), we get a palindrome (5533212123355).

The spelling of 1111211002244 in words is "one trillion, one hundred eleven billion, two hundred eleven million, two thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 409 499 818 998 1636 1996 2863 3493 5726 6986 11452 13972 20041 24451 27779 40082 48902 55558 80164 97804 111116 194453 204091 388906 408182 777812 816364 1361171 1428637 2722342 2857274 5444684 5714548 10000459 11361611 13861721 20000918 22723222 27723442 40001836 45446444 55446884 79531277 97032047 159062554 194064094 318125108 388128188 556718939 679224329 1113437878 1358448658 2226875756 2716897316 5669443889 11338887778 22677775556 39686107223 79372214446 158744428892 277802750561 555605501122 1111211002244