21107825322 has 8 divisors (see below), whose sum is σ = 42215650656. Its totient is φ = 7035941772.

The previous prime is 21107825317. The next prime is 21107825381. The reversal of 21107825322 is 22352870112.

It is a sphenic number, since it is the product of 3 distinct primes.

21107825322 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1758985438 + ... + 1758985449.

It is an arithmetic number, because the mean of its divisors is an integer number (5276956332).

Almost surely, 2^21107825322 is an apocalyptic number.

21107825322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21107825322 is a wasteful number, since it uses less digits than its factorization.

21107825322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517970892.

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 21107825322 in words is "twenty-one billion, one hundred seven million, eight hundred twenty-five thousand, three hundred twenty-two".