213122111334 has 16 divisors (see below), whose sum is σ = 464993697600. Its totient is φ = 64582457960.

The previous prime is 213122111299. The next prime is 213122111341. The reversal of 213122111334 is 433111221312.

It is a congruent number.

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, 1614561384 + ... + 1614561515.

It is an arithmetic number, because the mean of its divisors is an integer number (29062106100).

Almost surely, 2^213122111334 is an apocalyptic number.

213122111334 is an abundant number, since it is smaller than the sum of its proper divisors (251871586266).

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

213122111334 is a wasteful number, since it uses less digits than its factorization.

213122111334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229122915.

The product of its digits is 864, while the sum is 24.

Adding to 213122111334 its reverse (433111221312), we get a palindrome (646233332646).

The spelling of 213122111334 in words is "two hundred thirteen billion, one hundred twenty-two million, one hundred eleven thousand, three hundred thirty-four".