122211202020 has 96 divisors (see below), whose sum is σ = 363558585600. Its totient is φ = 30615427584.

The previous prime is 122211202019. The next prime is 122211202081. The reversal of 122211202020 is 20202112221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 884760 + ... + 1013519.

It is an arithmetic number, because the mean of its divisors is an integer number (3787068600).

Almost surely, 2^122211202020 is an apocalyptic number.

122211202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122211202020 is an abundant number, since it is smaller than the sum of its proper divisors (241347383580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122211202020 is a wasteful number, since it uses less digits than its factorization.

122211202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898357 (or 1898355 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122211202020 its reverse (20202112221), we get a palindrome (142413314241).

The spelling of 122211202020 in words is "one hundred twenty-two billion, two hundred eleven million, two hundred two thousand, twenty".