122020331355 has 36 divisors (see below), whose sum is σ = 229022790048. Its totient is φ = 60071544000.

The previous prime is 122020331353. The next prime is 122020331371. The reversal of 122020331355 is 553133020221.

It is a happy number.

It is not a de Polignac number, because 122020331355 - 2¹ = 122020331353 is a prime.

It is a super-2 number, since 2×122020331355² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122020331353) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8014771 + ... + 8029980.

It is an arithmetic number, because the mean of its divisors is an integer number (6361744168).

Almost surely, 2^122020331355 is an apocalyptic number.

122020331355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122020331355 is a deficient number, since it is larger than the sum of its proper divisors (107002458693).

122020331355 is a wasteful number, since it uses less digits than its factorization.

122020331355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16044788 (or 16044772 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 122020331355 its reverse (553133020221), we get a palindrome (675153351576).

The spelling of 122020331355 in words is "one hundred twenty-two billion, twenty million, three hundred thirty-one thousand, three hundred fifty-five".