210120202102 has 16 divisors (see below), whose sum is σ = 315421607952. Its totient is φ = 104979702240.

The previous prime is 210120202099. The next prime is 210120202163. The reversal of 210120202102 is 201202021012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17277808 + ... + 17289964.

It is an arithmetic number, because the mean of its divisors is an integer number (19713850497).

Almost surely, 2^210120202102 is an apocalyptic number.

210120202102 is a deficient number, since it is larger than the sum of its proper divisors (105301405850).

210120202102 is a wasteful number, since it uses less digits than its factorization.

210120202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18063.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210120202102 its reverse (201202021012), we get a palindrome (411322223114).

The spelling of 210120202102 in words is "two hundred ten billion, one hundred twenty million, two hundred two thousand, one hundred two".