122020554321 has 24 divisors (see below), whose sum is σ = 180570848640. Its totient is φ = 79354123200.

The previous prime is 122020554307. The next prime is 122020554349. The reversal of 122020554321 is 123455020221.

122020554321 is a `hidden beast` number, since 1 + 2 + 20 + 205 + 5 + 432 + 1 = 666.

It is not a de Polignac number, because 122020554321 - 2⁵ = 122020554289 is a prime.

It is a super-2 number, since 2×122020554321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122020554361) 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, 5712900 + ... + 5734218.

It is an arithmetic number, because the mean of its divisors is an integer number (7523785360).

Almost surely, 2^122020554321 is an apocalyptic number.

It is an amenable number.

122020554321 is a deficient number, since it is larger than the sum of its proper divisors (58550294319).

122020554321 is a wasteful number, since it uses less digits than its factorization.

122020554321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36877 (or 36874 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 122020554321 its reverse (123455020221), we get a palindrome (245475574542).

The spelling of 122020554321 in words is "one hundred twenty-two billion, twenty million, five hundred fifty-four thousand, three hundred twenty-one".