210202100212122 has 96 divisors (see below), whose sum is σ = 463679257092480. Its totient is φ = 68810290560000.

The previous prime is 210202100212109. The next prime is 210202100212141. The reversal of 210202100212122 is 221212001202012.

It is a happy number.

210202100212122 is a `hidden beast` number, since 210 + 20 + 2 + 100 + 212 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210202100212095 and 210202100212104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1589471922 + ... + 1589604162.

It is an arithmetic number, because the mean of its divisors is an integer number (4829992261380).

Almost surely, 2^{210202100212122} is an apocalyptic number.

210202100212122 is an abundant number, since it is smaller than the sum of its proper divisors (253477156880358).

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

210202100212122 is a wasteful number, since it uses less digits than its factorization.

210202100212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139060 (or 139057 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210202100212122 its reverse (221212001202012), we get a palindrome (431414101414134).

The spelling of 210202100212122 in words is "two hundred ten trillion, two hundred two billion, one hundred million, two hundred twelve thousand, one hundred twenty-two".