122312222211 has 16 divisors (see below), whose sum is σ = 164744650400. Its totient is φ = 80712142848.

The previous prime is 122312222203. The next prime is 122312222231. The reversal of 122312222211 is 112222213221.

It is not a de Polignac number, because 122312222211 - 2³ = 122312222203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122312222231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138435 + ... + 513603.

It is an arithmetic number, because the mean of its divisors is an integer number (10296540650).

Almost surely, 2^122312222211 is an apocalyptic number.

122312222211 is a deficient number, since it is larger than the sum of its proper divisors (42432428189).

122312222211 is a wasteful number, since it uses less digits than its factorization.

122312222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376278.

The product of its digits is 384, while the sum is 21.

Adding to 122312222211 its reverse (112222213221), we get a palindrome (234534435432).

The spelling of 122312222211 in words is "one hundred twenty-two billion, three hundred twelve million, two hundred twenty-two thousand, two hundred eleven".