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22112102230231 = 133411032383301
BaseRepresentation
bin1010000011100010111111…
…11111111010100011010111
32220021220012102102200201211
411001301133333322203113
510344241041132331411
6115010054243002251
74441355335533346
oct501613777724327
986256172380654
1022112102230231
11705576527a692
122591582369387
13c45215734000
1456633519bb5d
152852be7b4221
hex141c5fffa8d7

22112102230231 has 32 divisors (see below), whose sum is σ = 24776426263680. Its totient is φ = 19719996192000.

The previous prime is 22112102230201. The next prime is 22112102230291. The reversal of 22112102230231 is 13203220121122.

It is not a de Polignac number, because 22112102230231 - 219 = 22112101705943 is a prime.

It is a super-2 number, since 2×221121022302312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112102230201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8086281 + ... + 10469581.

It is an arithmetic number, because the mean of its divisors is an integer number (774263320740).

Almost surely, 222112102230231 is an apocalyptic number.

22112102230231 is a deficient number, since it is larger than the sum of its proper divisors (2664324033449).

22112102230231 is a wasteful number, since it uses less digits than its factorization.

22112102230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383484 (or 2383458 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22112102230231 its reverse (13203220121122), we get a palindrome (35315322351353).

The spelling of 22112102230231 in words is "twenty-two trillion, one hundred twelve billion, one hundred two million, two hundred thirty thousand, two hundred thirty-one".

Divisors: 1 13 41 103 169 533 1339 2197 4223 6929 17407 54899 90077 226291 713687 2383301 9277931 30982913 97715341 245480003 402777869 1270299433 3191240039 5236112297 10064680123 16513892629 41486120507 130840841599 214680604177 539319566591 1700930940787 22112102230231