222123102131 has 16 divisors (see below), whose sum is σ = 260505504000. Its totient is φ = 185455022688.

The previous prime is 222123102121. The next prime is 222123102151. The reversal of 222123102131 is 131201321222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222123102131 is a prime.

It is a super-2 number, since 2×222123102131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222123102101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2102081 + ... + 2205218.

It is an arithmetic number, because the mean of its divisors is an integer number (16281594000).

Almost surely, 2^222123102131 is an apocalyptic number.

222123102131 is a deficient number, since it is larger than the sum of its proper divisors (38382401869).

222123102131 is a wasteful number, since it uses less digits than its factorization.

222123102131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307498.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 222123102131 its reverse (131201321222), we get a palindrome (353324423353).

The spelling of 222123102131 in words is "two hundred twenty-two billion, one hundred twenty-three million, one hundred two thousand, one hundred thirty-one".