210122321008 has 20 divisors (see below), whose sum is σ = 407526180048. Its totient is φ = 104954274560.

The previous prime is 210122320999. The next prime is 210122321009. The reversal of 210122321008 is 800123221012.

It is a self number, because there is not a number n which added to its sum of digits gives 210122321008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122321009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6664153 + ... + 6695608.

Almost surely, 2^210122321008 is an apocalyptic number.

It is an amenable number.

210122321008 is a deficient number, since it is larger than the sum of its proper divisors (197403859040).

210122321008 is a wasteful number, since it uses less digits than its factorization.

210122321008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13360752 (or 13360746 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The spelling of 210122321008 in words is "two hundred ten billion, one hundred twenty-two million, three hundred twenty-one thousand, eight".