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222112011021131 = 71113499213687797
BaseRepresentation
bin110010100000001001111011…
…100001000110101101001011
31002010102200220221102211221102
4302200021323201012231023
5213103040344310134011
62104220503233332015
764533030455661350
oct6240117341065513
91063380827384842
10222112011021131
11648541a1856210
1220ab296710700b
1396c20c3b397ba
143cbc3c8a3c627
151aa299a83873b
hexca027b846b4b

222112011021131 has 16 divisors (see below), whose sum is σ = 276939386208000. Its totient is φ = 173061472224480.

The previous prime is 222112011021127. The next prime is 222112011021157. The reversal of 222112011021131 is 131120110211222.

It is not a de Polignac number, because 222112011021131 - 22 = 222112011021127 is a prime.

It is a super-2 number, since 2×2221120110211312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222112011021331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105804476 + ... + 107883321.

It is an arithmetic number, because the mean of its divisors is an integer number (17308711638000).

Almost surely, 2222112011021131 is an apocalyptic number.

222112011021131 is a deficient number, since it is larger than the sum of its proper divisors (54827375186869).

222112011021131 is a wasteful number, since it uses less digits than its factorization.

222112011021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213701314.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 222112011021131 its reverse (131120110211222), we get a palindrome (353232121232353).

The spelling of 222112011021131 in words is "two hundred twenty-two trillion, one hundred twelve billion, eleven million, twenty-one thousand, one hundred thirty-one".

Divisors: 1 7 11 77 13499 94493 148489 1039423 213687797 1495814579 2350565767 16453960369 2884571571703 20192001001921 31730287288733 222112011021131