122222102020 has 48 divisors (see below), whose sum is σ = 258110355888. Its totient is φ = 48614031360.

The previous prime is 122222102011. The next prime is 122222102033. The reversal of 122222102020 is 20201222221.

It can be written as a sum of positive squares in 8 ways, for example, as 65942131264 + 56279970756 = 256792^2 + 237234^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122222101985 and 122222102003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10945240 + ... + 10956400.

It is an arithmetic number, because the mean of its divisors is an integer number (5377299081).

Almost surely, 2^122222102020 is an apocalyptic number.

122222102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222102020 is an abundant number, since it is smaller than the sum of its proper divisors (135888253868).

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

122222102020 is a wasteful number, since it uses less digits than its factorization.

122222102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14200 (or 14198 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122222102020 its reverse (20201222221), we get a palindrome (142423324241).

The spelling of 122222102020 in words is "one hundred twenty-two billion, two hundred twenty-two million, one hundred two thousand, twenty".