202110122 has 4 divisors (see below), whose sum is σ = 303165186. Its totient is φ = 101055060.

The previous prime is 202110119. The next prime is 202110137. The reversal of 202110122 is 221011202.

It is a happy number.

202110122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 176597521 + 25512601 = 13289^2 + 5051^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50527529 + ... + 50527532.

Almost surely, 2^202110122 is an apocalyptic number.

202110122 is a deficient number, since it is larger than the sum of its proper divisors (101055064).

202110122 is a wasteful number, since it uses less digits than its factorization.

202110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101055063.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 202110122 is about 14216.5439541402. The cubic root of 202110122 is about 586.8530347262.

Adding to 202110122 its reverse (221011202), we get a palindrome (423121324).

The spelling of 202110122 in words is "two hundred two million, one hundred ten thousand, one hundred twenty-two".