21130032122102 has 64 divisors (see below), whose sum is σ = 34662013392384. Its totient is φ = 9620015155200.

The previous prime is 21130032122093. The next prime is 21130032122149. The reversal of 21130032122102 is 20122123003112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239251352 + ... + 239339652.

It is an arithmetic number, because the mean of its divisors is an integer number (541593959256).

Almost surely, 2^{21130032122102} is an apocalyptic number.

21130032122102 is a deficient number, since it is larger than the sum of its proper divisors (13531981270282).

21130032122102 is a wasteful number, since it uses less digits than its factorization.

21130032122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89433.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21130032122102 its reverse (20122123003112), we get a palindrome (41252155125214).

The spelling of 21130032122102 in words is "twenty-one trillion, one hundred thirty billion, thirty-two million, one hundred twenty-two thousand, one hundred two".