202110102 has 24 divisors (see below), whose sum is σ = 442160784. Its totient is φ = 66715344.

The previous prime is 202110101. The next prime is 202110107. The reversal of 202110102 is 201011202.

202110102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202110101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52653 + ... + 56360.

It is an arithmetic number, because the mean of its divisors is an integer number (18423366).

Almost surely, 2^202110102 is an apocalyptic number.

202110102 is an abundant number, since it is smaller than the sum of its proper divisors (240050682).

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

202110102 is a wasteful number, since it uses less digits than its factorization.

202110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109124 (or 109121 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 202110102 is about 14216.5432507343. The cubic root of 202110102 is about 586.8530153687.

Adding to 202110102 its reverse (201011202), we get a palindrome (403121304).

The spelling of 202110102 in words is "two hundred two million, one hundred ten thousand, one hundred two".