21122020000122 has 16 divisors (see below), whose sum is σ = 42245833552032. Its totient is φ = 7040374408080.

The previous prime is 21122020000117. The next prime is 21122020000219. The reversal of 21122020000122 is 22100002022112.

It is a super-2 number, since 2×21122020000122² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74578204 + ... + 74860887.

It is an arithmetic number, because the mean of its divisors is an integer number (2640364597002).

Almost surely, 2^{21122020000122} is an apocalyptic number.

21122020000122 is an abundant number, since it is smaller than the sum of its proper divisors (21123813551910).

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

21122020000122 is a wasteful number, since it uses less digits than its factorization.

21122020000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149462653.

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

Adding to 21122020000122 its reverse (22100002022112), we get a palindrome (43222022022234).

The spelling of 21122020000122 in words is "twenty-one trillion, one hundred twenty-two billion, twenty million, one hundred twenty-two", and thus it is an aban number.