211314334121156 has 72 divisors (see below), whose sum is σ = 430546144341600. Its totient is φ = 90485290788480.

The previous prime is 211314334121101. The next prime is 211314334121227. The reversal of 211314334121156 is 651121433413112.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3721670375 + ... + 3721727153.

It is an arithmetic number, because the mean of its divisors is an integer number (5979807560300).

Almost surely, 2^{211314334121156} is an apocalyptic number.

It is an amenable number.

211314334121156 is an abundant number, since it is smaller than the sum of its proper divisors (219231810220444).

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

211314334121156 is a wasteful number, since it uses less digits than its factorization.

211314334121156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72817 (or 72808 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

Adding to 211314334121156 its reverse (651121433413112), we get a palindrome (862435767534268).

The spelling of 211314334121156 in words is "two hundred eleven trillion, three hundred fourteen billion, three hundred thirty-four million, one hundred twenty-one thousand, one hundred fifty-six".