210010120122 has 64 divisors (see below), whose sum is σ = 459885040128. Its totient is φ = 63406200000.

The previous prime is 210010120051. The next prime is 210010120139. The reversal of 210010120122 is 221021010012.

It is a junction number, because it is equal to n+sod(n) for n = 210010120098 and 210010120107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64596997 + ... + 64600247.

It is an arithmetic number, because the mean of its divisors is an integer number (7185703752).

Almost surely, 2^210010120122 is an apocalyptic number.

210010120122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210010120122 is an abundant number, since it is smaller than the sum of its proper divisors (249874920006).

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

210010120122 is a wasteful number, since it uses less digits than its factorization.

210010120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210010120122 its reverse (221021010012), we get a palindrome (431031130134).

The spelling of 210010120122 in words is "two hundred ten billion, ten million, one hundred twenty thousand, one hundred twenty-two".