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2211202011112 = 231743378112519
BaseRepresentation
bin100000001011010101111…
…010010000111111101000
321211101111110200122211221
4200023111322100333220
5242212020203323422
64411451233031424
7315516434656423
oct40132572207750
97741443618757
102211202011112
11782846986806
122b86670b5574
131306915ba693
14790465c89ba
153c7b9ae63c7
hex202d5e90fe8

2211202011112 has 32 divisors (see below), whose sum is σ = 4491976737600. Its totient is φ = 1016366448384.

The previous prime is 2211202011107. The next prime is 2211202011131. The reversal of 2211202011112 is 2111102021122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189050412 + ... + 189062107.

It is an arithmetic number, because the mean of its divisors is an integer number (140374273050).

Almost surely, 22211202011112 is an apocalyptic number.

It is an amenable number.

2211202011112 is an abundant number, since it is smaller than the sum of its proper divisors (2280774726488).

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

2211202011112 is a wasteful number, since it uses less digits than its factorization.

2211202011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378112585 (or 378112581 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2211202011112 its reverse (2111102021122), we get a palindrome (4322304032234).

The spelling of 2211202011112 in words is "two trillion, two hundred eleven billion, two hundred two million, eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 17 34 43 68 86 136 172 344 731 1462 2924 5848 378112519 756225038 1512450076 3024900152 6427912823 12855825646 16258838317 25711651292 32517676634 51423302584 65035353268 130070706536 276400251389 552800502778 1105601005556 2211202011112