122022121311 has 24 divisors (see below), whose sum is σ = 177603379200. Its totient is φ = 80727512976.

The previous prime is 122022121303. The next prime is 122022121337. The reversal of 122022121311 is 113121220221.

122022121311 is a `hidden beast` number, since 1 + 220 + 221 + 213 + 11 = 666.

It is not a de Polignac number, because 122022121311 - 2³ = 122022121303 is a prime.

It is a super-3 number, since 3×122022121311³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122022121301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 597010 + ... + 774896.

It is an arithmetic number, because the mean of its divisors is an integer number (7400140800).

Almost surely, 2^122022121311 is an apocalyptic number.

122022121311 is a deficient number, since it is larger than the sum of its proper divisors (55581257889).

122022121311 is a wasteful number, since it uses less digits than its factorization.

122022121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178475 (or 178472 counting only the distinct ones).

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

Adding to 122022121311 its reverse (113121220221), we get a palindrome (235143341532).

The spelling of 122022121311 in words is "one hundred twenty-two billion, twenty-two million, one hundred twenty-one thousand, three hundred eleven".