21120101000122 has 16 divisors (see below), whose sum is σ = 31890576507552. Its totient is φ = 10490139182160.

The previous prime is 21120101000111. The next prime is 21120101000123. The reversal of 21120101000122 is 22100010102112.

It is not an unprimeable number, because it can be changed into a prime (21120101000123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57404128 + ... + 57770875.

It is an arithmetic number, because the mean of its divisors is an integer number (1993161031722).

Almost surely, 2^{21120101000122} is an apocalyptic number.

21120101000122 is a deficient number, since it is larger than the sum of its proper divisors (10770475507430).

21120101000122 is a wasteful number, since it uses less digits than its factorization.

21120101000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115175613.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21120101000122 its reverse (22100010102112), we get a palindrome (43220111102234).

The spelling of 21120101000122 in words is "twenty-one trillion, one hundred twenty billion, one hundred one million, one hundred twenty-two", and thus it is an aban number.