210202020122 has 8 divisors (see below), whose sum is σ = 315394885236. Its totient is φ = 105070391712.

The previous prime is 210202020113. The next prime is 210202020131. The reversal of 210202020122 is 221020202012.

It is an interprime number because it is at equal distance from previous prime (210202020113) and next prime (210202020131).

It can be written as a sum of positive squares in 2 ways, for example, as 200678016841 + 9524003281 = 447971^2 + 97591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 210202020097 and 210202020106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15300593 + ... + 15314324.

Almost surely, 2^210202020122 is an apocalyptic number.

210202020122 is a deficient number, since it is larger than the sum of its proper divisors (105192865114).

210202020122 is a wasteful number, since it uses less digits than its factorization.

210202020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30618352.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 210202020122 its reverse (221020202012), we get a palindrome (431222222134).

It can be divided in two parts, 21020202012 and 2, that multiplied together give a palindrome (42040404024).

The spelling of 210202020122 in words is "two hundred ten billion, two hundred two million, twenty thousand, one hundred twenty-two".