21122020000102 has 16 divisors (see below), whose sum is σ = 36469674823680. Its totient is φ = 8987169865608.

The previous prime is 21122020000051. The next prime is 21122020000117. The reversal of 21122020000102 is 20100002022112.

It is a happy number.

It is a super-2 number, since 2×21122020000102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 5427032998 + ... + 5427036889.

It is an arithmetic number, because the mean of its divisors is an integer number (2279354676480).

Almost surely, 2^{21122020000102} is an apocalyptic number.

21122020000102 is a deficient number, since it is larger than the sum of its proper divisors (15347654823578).

21122020000102 is a wasteful number, since it uses less digits than its factorization.

21122020000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10854070035.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21122020000102 its reverse (20100002022112), we get a palindrome (41222022022214).

The spelling of 21122020000102 in words is "twenty-one trillion, one hundred twenty-two billion, twenty million, one hundred two", and thus it is an aban number.