22131215310111 has 16 divisors (see below), whose sum is σ = 30229043738208. Its totient is φ = 14393790028800.

The previous prime is 22131215310091. The next prime is 22131215310133. The reversal of 22131215310111 is 11101351213122.

It is not a de Polignac number, because 22131215310111 - 2⁶ = 22131215310047 is a prime.

It is a super-2 number, since 2×22131215310111² (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 (22131215310151) 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, 496221 + ... + 6671481.

It is an arithmetic number, because the mean of its divisors is an integer number (1889315233638).

Almost surely, 2^{22131215310111} is an apocalyptic number.

22131215310111 is a deficient number, since it is larger than the sum of its proper divisors (8097828428097).

22131215310111 is a wasteful number, since it uses less digits than its factorization.

22131215310111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204442.

The product of its (nonzero) digits is 360, while the sum is 24.

Adding to 22131215310111 its reverse (11101351213122), we get a palindrome (33232566523233).

The spelling of 22131215310111 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred fifteen million, three hundred ten thousand, one hundred eleven".