202102310102 has 64 divisors (see below), whose sum is σ = 387027072000. Its totient is φ = 76866641280.

The previous prime is 202102310087. The next prime is 202102310119. The reversal of 202102310102 is 201013201202.

It is a happy number.

202102310102 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 (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1562024 + ... + 1686452.

It is an arithmetic number, because the mean of its divisors is an integer number (6047298000).

Almost surely, 2^202102310102 is an apocalyptic number.

202102310102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202102310102 is a deficient number, since it is larger than the sum of its proper divisors (184924761898).

202102310102 is a wasteful number, since it uses less digits than its factorization.

202102310102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124701.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 202102310102 its reverse (201013201202), we get a palindrome (403115511304).

The spelling of 202102310102 in words is "two hundred two billion, one hundred two million, three hundred ten thousand, one hundred two".