210020112122 has 16 divisors (see below), whose sum is σ = 322604018880. Its totient is φ = 102489190272.

The previous prime is 210020112073. The next prime is 210020112143. The reversal of 210020112122 is 221211020012.

It is a junction number, because it is equal to n+sod(n) for n = 210020112097 and 210020112106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825047 + ... + 1049162.

It is an arithmetic number, because the mean of its divisors is an integer number (20162751180).

Almost surely, 2^210020112122 is an apocalyptic number.

210020112122 is a deficient number, since it is larger than the sum of its proper divisors (112583906758).

210020112122 is a wasteful number, since it uses less digits than its factorization.

210020112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875557.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210020112122 its reverse (221211020012), we get a palindrome (431231132134).

The spelling of 210020112122 in words is "two hundred ten billion, twenty million, one hundred twelve thousand, one hundred twenty-two".