210122320988 has 6 divisors (see below), whose sum is σ = 367714061736. Its totient is φ = 105061160492.

The previous prime is 210122320987. The next prime is 210122320999. The reversal of 210122320988 is 889023221012.

It is a happy number.

It is a super-2 number, since 2×210122320988² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122320987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26265290120 + ... + 26265290127.

It is an arithmetic number, because the mean of its divisors is an integer number (61285676956).

Almost surely, 2^210122320988 is an apocalyptic number.

It is an amenable number.

210122320988 is a deficient number, since it is larger than the sum of its proper divisors (157591740748).

210122320988 is a wasteful number, since it uses less digits than its factorization.

210122320988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52530580251 (or 52530580249 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 210122320988 in words is "two hundred ten billion, one hundred twenty-two million, three hundred twenty thousand, nine hundred eighty-eight".