102213111212331 has 32 divisors (see below), whose sum is σ = 157728002826240. Its totient is φ = 57667012524576.

The previous prime is 102213111212327. The next prime is 102213111212341. The reversal of 102213111212331 is 133212111312201.

It is not a de Polignac number, because 102213111212331 - 2² = 102213111212327 is a prime.

It is a super-2 number, since 2×102213111212331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102213111212341) 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, 86789640 + ... + 87959466.

It is an arithmetic number, because the mean of its divisors is an integer number (4929000088320).

Almost surely, 2^{102213111212331} is an apocalyptic number.

102213111212331 is a deficient number, since it is larger than the sum of its proper divisors (55514891613909).

102213111212331 is a wasteful number, since it uses less digits than its factorization.

102213111212331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222583.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 102213111212331 its reverse (133212111312201), we get a palindrome (235425222524532).

The spelling of 102213111212331 in words is "one hundred two trillion, two hundred thirteen billion, one hundred eleven million, two hundred twelve thousand, three hundred thirty-one".