202102010102 has 8 divisors (see below), whose sum is σ = 303174330312. Its totient is φ = 101043900000.

The previous prime is 202102010087. The next prime is 202102010113. The reversal of 202102010102 is 201010201202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3516899 + ... + 3573902.

It is an arithmetic number, because the mean of its divisors is an integer number (37896791289).

Almost surely, 2^202102010102 is an apocalyptic number.

202102010102 is a deficient number, since it is larger than the sum of its proper divisors (101072320210).

202102010102 is a wasteful number, since it uses less digits than its factorization.

202102010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105054.

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

Adding to 202102010102 its reverse (201010201202), we get a palindrome (403112211304).

The spelling of 202102010102 in words is "two hundred two billion, one hundred two million, ten thousand, one hundred two".