213211312320122 has 32 divisors (see below), whose sum is σ = 323808301252800. Its totient is φ = 105278219939200.

The previous prime is 213211312320103. The next prime is 213211312320187. The reversal of 213211312320122 is 221023213112312.

It is a junction number, because it is equal to n+sod(n) for n = 213211312320091 and 213211312320100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625341329 + ... + 625682187.

It is an arithmetic number, because the mean of its divisors is an integer number (10119009414150).

Almost surely, 2^{213211312320122} is an apocalyptic number.

213211312320122 is a deficient number, since it is larger than the sum of its proper divisors (110596988932678).

213211312320122 is a wasteful number, since it uses less digits than its factorization.

213211312320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345262.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 213211312320122 its reverse (221023213112312), we get a palindrome (434234525432434).

The spelling of 213211312320122 in words is "two hundred thirteen trillion, two hundred eleven billion, three hundred twelve million, three hundred twenty thousand, one hundred twenty-two".