213111344122 has 16 divisors (see below), whose sum is σ = 333589286592. Its totient is φ = 101915573760.

The previous prime is 213111344107. The next prime is 213111344137. The reversal of 213111344122 is 221443111312.

It is an interprime number because it is at equal distance from previous prime (213111344107) and next prime (213111344137).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520378 + ... + 834874.

It is an arithmetic number, because the mean of its divisors is an integer number (20849330412).

Almost surely, 2^213111344122 is an apocalyptic number.

213111344122 is a deficient number, since it is larger than the sum of its proper divisors (120477942470).

213111344122 is a wasteful number, since it uses less digits than its factorization.

213111344122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329253.

The product of its digits is 1152, while the sum is 25.

Adding to 213111344122 its reverse (221443111312), we get a palindrome (434554455434).

The spelling of 213111344122 in words is "two hundred thirteen billion, one hundred eleven million, three hundred forty-four thousand, one hundred twenty-two".