21022022100104 has 32 divisors (see below), whose sum is σ = 40402482674400. Its totient is φ = 10248341873280.

The previous prime is 21022022100103. The next prime is 21022022100133. The reversal of 21022022100104 is 40100122022012.

It is not an unprimeable number, because it can be changed into a prime (21022022100103) 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, 19162574 + ... + 20229885.

It is an arithmetic number, because the mean of its divisors is an integer number (1262577583575).

Almost surely, 2^{21022022100104} is an apocalyptic number.

It is an amenable number.

21022022100104 is a deficient number, since it is larger than the sum of its proper divisors (19380460574296).

21022022100104 is a wasteful number, since it uses less digits than its factorization.

21022022100104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39394133 (or 39394129 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 21022022100104 its reverse (40100122022012), we get a palindrome (61122144122116).

The spelling of 21022022100104 in words is "twenty-one trillion, twenty-two billion, twenty-two million, one hundred thousand, one hundred four".