21112701622 has 16 divisors (see below), whose sum is σ = 32604516000. Its totient is φ = 10247117760.

The previous prime is 21112701593. The next prime is 21112701641. The reversal of 21112701622 is 22610721112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630597 + ... + 663232.

It is an arithmetic number, because the mean of its divisors is an integer number (2037782250).

Almost surely, 2^21112701622 is an apocalyptic number.

21112701622 is a deficient number, since it is larger than the sum of its proper divisors (11491814378).

21112701622 is a wasteful number, since it uses less digits than its factorization.

21112701622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294071.

The product of its (nonzero) digits is 672, while the sum is 25.

The spelling of 21112701622 in words is "twenty-one billion, one hundred twelve million, seven hundred one thousand, six hundred twenty-two".