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221110002221012 = 221910944959445907
BaseRepresentation
bin110010010001100100101111…
…001000110111111111010100
31001222212220120020002210201222
4302101210233020313333110
5212440131241032033022
62102132311023305512
764400445656466242
oct6221445710677724
91058786506083658
10221110002221012
11644a8252a23033
122097072444b298
13964b778635248
143c85ad18c9792
151a868a2a72242
hexc9192f237fd4

221110002221012 has 48 divisors (see below), whose sum is σ = 411960142440000. Its totient is φ = 103544305772544.

The previous prime is 221110002220997. The next prime is 221110002221023. The reversal of 221110002221012 is 210122200011122.

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, 26003438 + ... + 33442469.

It is an arithmetic number, because the mean of its divisors is an integer number (8582502967500).

Almost surely, 2221110002221012 is an apocalyptic number.

It is an amenable number.

221110002221012 is a deficient number, since it is larger than the sum of its proper divisors (190850140218988).

221110002221012 is a wasteful number, since it uses less digits than its factorization.

221110002221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59446488 (or 59446486 counting only the distinct ones).

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

Adding to 221110002221012 its reverse (210122200011122), we get a palindrome (431232202232134).

The spelling of 221110002221012 in words is "two hundred twenty-one trillion, one hundred ten billion, two million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 4 19 38 76 109 218 436 449 898 1796 2071 4142 8284 8531 17062 34124 48941 97882 195764 929879 1859758 3719516 59445907 118891814 237783628 1129472233 2258944466 4517888932 6479603863 12959207726 25918415452 26691212243 53382424486 106764848972 123112473397 246224946794 492449893588 507133032617 1014266065234 2028532130468 2909342134487 5818684268974 11637368537948 55277500555253 110555001110506 221110002221012