210381195122 has 30 divisors (see below), whose sum is σ = 368200813743. Its totient is φ = 90149747436.

The previous prime is 210381195103. The next prime is 210381195131. The reversal of 210381195122 is 221591183012.

It can be written as a sum of positive squares in only one way, i.e., 105190597561 + 105190597561 = 324331^2 + 324331^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=324331.

It is a super-2 number, since 2×210381195122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 31781129 + ... + 31787747.

Almost surely, 2^210381195122 is an apocalyptic number.

210381195122 is a deficient number, since it is larger than the sum of its proper divisors (157819618621).

210381195122 is an frugal number, since it uses more digits than its factorization.

210381195122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13268 (or 6628 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The spelling of 210381195122 in words is "two hundred ten billion, three hundred eighty-one million, one hundred ninety-five thousand, one hundred twenty-two".