102212102313231 has 4 divisors (see below), whose sum is σ = 136282803084312. Its totient is φ = 68141401542152.

The previous prime is 102212102313121. The next prime is 102212102313287. The reversal of 102212102313231 is 132313201212201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102212102313231 - 2¹⁰ = 102212102312207 is a prime.

It is a super-2 number, since 2×102212102313231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212102317231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17035350385536 + ... + 17035350385541.

It is an arithmetic number, because the mean of its divisors is an integer number (34070700771078).

Almost surely, 2^{102212102313231} is an apocalyptic number.

102212102313231 is a deficient number, since it is larger than the sum of its proper divisors (34070700771081).

102212102313231 is an equidigital number, since it uses as much as digits as its factorization.

102212102313231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34070700771080.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 102212102313231 its reverse (132313201212201), we get a palindrome (234525303525432).

The spelling of 102212102313231 in words is "one hundred two trillion, two hundred twelve billion, one hundred two million, three hundred thirteen thousand, two hundred thirty-one".