22121002101012 has 48 divisors (see below), whose sum is σ = 53929508088960. Its totient is φ = 7043948779648.

The previous prime is 22121002100999. The next prime is 22121002101043. The reversal of 22121002101012 is 21010120012122.

22121002101012 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 22121002100982 and 22121002101000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51629187 + ... + 52055882.

It is an arithmetic number, because the mean of its divisors is an integer number (1123531418520).

Almost surely, 2^{22121002101012} is an apocalyptic number.

It is an amenable number.

22121002101012 is an abundant number, since it is smaller than the sum of its proper divisors (31808505987948).

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

22121002101012 is a wasteful number, since it uses less digits than its factorization.

22121002101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103685872 (or 103685870 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22121002101012 its reverse (21010120012122), we get a palindrome (43131122113134).

The spelling of 22121002101012 in words is "twenty-two trillion, one hundred twenty-one billion, two million, one hundred one thousand, twelve".