213242401122 has 16 divisors (see below), whose sum is σ = 430625432640. Its totient is φ = 70390695312.

The previous prime is 213242401117. The next prime is 213242401133. The reversal of 213242401122 is 221104242312.

It is a junction number, because it is equal to n+sod(n) for n = 213242401092 and 213242401101.

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, 172525597 + ... + 172526832.

It is an arithmetic number, because the mean of its divisors is an integer number (26914089540).

Almost surely, 2^213242401122 is an apocalyptic number.

213242401122 is an abundant number, since it is smaller than the sum of its proper divisors (217383031518).

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

213242401122 is a wasteful number, since it uses less digits than its factorization.

213242401122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345052537.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 213242401122 its reverse (221104242312), we get a palindrome (434346643434).

The spelling of 213242401122 in words is "two hundred thirteen billion, two hundred forty-two million, four hundred one thousand, one hundred twenty-two".