122211120213 has 48 divisors (see below), whose sum is σ = 223136274816. Its totient is φ = 62720749440.

The previous prime is 122211120209. The next prime is 122211120299. The reversal of 122211120213 is 312021112221.

122211120213 is a `hidden beast` number, since 122 + 211 + 120 + 213 = 666.

It is not a de Polignac number, because 122211120213 - 2² = 122211120209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211120113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1986183 + ... + 2046788.

It is an arithmetic number, because the mean of its divisors is an integer number (4648672392).

Almost surely, 2^122211120213 is an apocalyptic number.

122211120213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122211120213 is a deficient number, since it is larger than the sum of its proper divisors (100925154603).

122211120213 is a wasteful number, since it uses less digits than its factorization.

122211120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033034 (or 4033031 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 122211120213 its reverse (312021112221), we get a palindrome (434232232434).

The spelling of 122211120213 in words is "one hundred twenty-two billion, two hundred eleven million, one hundred twenty thousand, two hundred thirteen".