21106522022 has 16 divisors (see below), whose sum is σ = 31878414960. Its totient is φ = 10480455648.

The previous prime is 21106521959. The next prime is 21106522027. The reversal of 21106522022 is 22022560112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21106522027) 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, 607004 + ... + 640832.

It is an arithmetic number, because the mean of its divisors is an integer number (1992400935).

Almost surely, 2^21106522022 is an apocalyptic number.

21106522022 is a deficient number, since it is larger than the sum of its proper divisors (10771892938).

21106522022 is a wasteful number, since it uses less digits than its factorization.

21106522022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35975.

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 21106522022 in words is "twenty-one billion, one hundred six million, five hundred twenty-two thousand, twenty-two".