213111233022 has 16 divisors (see below), whose sum is σ = 426924652032. Its totient is φ = 70920046680.

The previous prime is 213111233021. The next prime is 213111233029. The reversal of 213111233022 is 220332111312.

It is a self number, because there is not a number n which added to its sum of digits gives 213111233022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213111233021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29253804 + ... + 29261087.

It is an arithmetic number, because the mean of its divisors is an integer number (26682790752).

Almost surely, 2^213111233022 is an apocalyptic number.

213111233022 is an abundant number, since it is smaller than the sum of its proper divisors (213813419010).

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

213111233022 is a wasteful number, since it uses less digits than its factorization.

213111233022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58515503.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213111233022 its reverse (220332111312), we get a palindrome (433443344334).

The spelling of 213111233022 in words is "two hundred thirteen billion, one hundred eleven million, two hundred thirty-three thousand, twenty-two".