122001223311 has 12 divisors (see below), whose sum is σ = 192244352040. Its totient is φ = 73940135280.

The previous prime is 122001223303. The next prime is 122001223339. The reversal of 122001223311 is 113322100221.

122001223311 is a `hidden beast` number, since 12 + 200 + 122 + 331 + 1 = 666.

It is not a de Polignac number, because 122001223311 - 2³ = 122001223303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001223301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 616167696 + ... + 616167893.

It is an arithmetic number, because the mean of its divisors is an integer number (16020362670).

Almost surely, 2^122001223311 is an apocalyptic number.

122001223311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122001223311 is a deficient number, since it is larger than the sum of its proper divisors (70243128729).

122001223311 is a wasteful number, since it uses less digits than its factorization.

122001223311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232335606 (or 1232335603 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 122001223311 its reverse (113322100221), we get a palindrome (235323323532).

The spelling of 122001223311 in words is "one hundred twenty-two billion, one million, two hundred twenty-three thousand, three hundred eleven".