122311222101 has 16 divisors (see below), whose sum is σ = 181580121600. Its totient is φ = 81370574784.

The previous prime is 122311222057. The next prime is 122311222123. The reversal of 122311222101 is 101222113221.

122311222101 is a `hidden beast` number, since 122 + 311 + 22 + 210 + 1 = 666.

It is not a de Polignac number, because 122311222101 - 2⁷ = 122311221973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122311222151) 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, 4715716 + ... + 4741581.

It is an arithmetic number, because the mean of its divisors is an integer number (11348757600).

Almost surely, 2^122311222101 is an apocalyptic number.

It is an amenable number.

122311222101 is a deficient number, since it is larger than the sum of its proper divisors (59268899499).

122311222101 is an equidigital number, since it uses as much as digits as its factorization.

122311222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9457785 (or 9457779 counting only the distinct ones).

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

Adding to 122311222101 its reverse (101222113221), we get a palindrome (223533335322).

The spelling of 122311222101 in words is "one hundred twenty-two billion, three hundred eleven million, two hundred twenty-two thousand, one hundred one".