202210001012122 has 4 divisors (see below), whose sum is σ = 303315001518186. Its totient is φ = 101105000506060.

The previous prime is 202210001011987. The next prime is 202210001012207. The reversal of 202210001012122 is 221210100012202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 200284736535601 + 1925264476521 = 14152199^2 + 1387539^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202210001012096 and 202210001012105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50552500253029 + ... + 50552500253032.

Almost surely, 2^{202210001012122} is an apocalyptic number.

202210001012122 is a deficient number, since it is larger than the sum of its proper divisors (101105000506064).

202210001012122 is a wasteful number, since it uses less digits than its factorization.

202210001012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101105000506063.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202210001012122 its reverse (221210100012202), we get a palindrome (423420101024324).

The spelling of 202210001012122 in words is "two hundred two trillion, two hundred ten billion, one million, twelve thousand, one hundred twenty-two".