210020020000122 has 64 divisors (see below), whose sum is σ = 424988229980160. Its totient is φ = 69187096113600.

The previous prime is 210020020000069. The next prime is 210020020000139. The reversal of 210020020000122 is 221000020020012.

It is a junction number, because it is equal to n+sod(n) for n = 210020020000098 and 210020020000107.

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, 496065547 + ... + 496488737.

It is an arithmetic number, because the mean of its divisors is an integer number (6640441093440).

Almost surely, 2^{210020020000122} is an apocalyptic number.

210020020000122 is an abundant number, since it is smaller than the sum of its proper divisors (214968209980038).

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

210020020000122 is a wasteful number, since it uses less digits than its factorization.

210020020000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426219.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210020020000122 its reverse (221000020020012), we get a palindrome (431020040020134).

The spelling of 210020020000122 in words is "two hundred ten trillion, twenty billion, twenty million, one hundred twenty-two", and thus it is an aban number.