202101102 has 32 divisors (see below), whose sum is σ = 513273600. Its totient is φ = 57743064.

The previous prime is 202101091. The next prime is 202101127. The reversal of 202101102 is 201101202.

202101102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202101102² = 81689710859228808, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266952 + ... + 267707.

It is an arithmetic number, because the mean of its divisors is an integer number (16039800).

Almost surely, 2^202101102 is an apocalyptic number.

202101102 is an abundant number, since it is smaller than the sum of its proper divisors (311172498).

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

202101102 is a wasteful number, since it uses less digits than its factorization.

202101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534677 (or 534671 counting only the distinct ones).

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

The square root of 202101102 is about 14216.2267145681. The cubic root of 202101102 is about 586.8443043485.

Adding to 202101102 its reverse (201101202), we get a palindrome (403202304).

It can be divided in two parts, 20210 and 1102, that added together give a palindrome (21312).

The spelling of 202101102 in words is "two hundred two million, one hundred one thousand, one hundred two".