211331212323102 has 24 divisors (see below), whose sum is σ = 459901404800136. Its totient is φ = 70133412605136.

The previous prime is 211331212323043. The next prime is 211331212323139. The reversal of 211331212323102 is 201323212133112.

211331212323102 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 312 + 1 + 2 + 32 + 310 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25860398793 + ... + 25860406964.

It is an arithmetic number, because the mean of its divisors is an integer number (19162558533339).

Almost surely, 2^{211331212323102} is an apocalyptic number.

211331212323102 is an abundant number, since it is smaller than the sum of its proper divisors (248570192477034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211331212323102 is a wasteful number, since it uses less digits than its factorization.

211331212323102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51720805992 (or 51720805989 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 211331212323102 its reverse (201323212133112), we get a palindrome (412654424456214).

The spelling of 211331212323102 in words is "two hundred eleven trillion, three hundred thirty-one billion, two hundred twelve million, three hundred twenty-three thousand, one hundred two".