102232021131 has 8 divisors (see below), whose sum is σ = 151454846160. Its totient is φ = 68154680736.

The previous prime is 102232021121. The next prime is 102232021147. The reversal of 102232021131 is 131120232201.

102232021131 is a `hidden beast` number, since 102 + 2 + 320 + 211 + 31 = 666.

It is not a de Polignac number, because 102232021131 - 2²¹ = 102229923979 is a prime.

It is a super-2 number, since 2×102232021131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102232021121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893185550 + ... + 1893185603.

It is an arithmetic number, because the mean of its divisors is an integer number (18931855770).

Almost surely, 2^102232021131 is an apocalyptic number.

102232021131 is a deficient number, since it is larger than the sum of its proper divisors (49222825029).

102232021131 is an equidigital number, since it uses as much as digits as its factorization.

102232021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786371162 (or 3786371156 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102232021131 its reverse (131120232201), we get a palindrome (233352253332).

The spelling of 102232021131 in words is "one hundred two billion, two hundred thirty-two million, twenty-one thousand, one hundred thirty-one".