210021202102 has 8 divisors (see below), whose sum is σ = 315126730800. Its totient is φ = 104978958504.

The previous prime is 210021202067. The next prime is 210021202133. The reversal of 210021202102 is 201202120012.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15812977 + ... + 15826252.

It is an arithmetic number, because the mean of its divisors is an integer number (39390841350).

Almost surely, 2^210021202102 is an apocalyptic number.

210021202102 is a deficient number, since it is larger than the sum of its proper divisors (105105528698).

210021202102 is a wasteful number, since it uses less digits than its factorization.

210021202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31642550.

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

Adding to 210021202102 its reverse (201202120012), we get a palindrome (411223322114).

The spelling of 210021202102 in words is "two hundred ten billion, twenty-one million, two hundred two thousand, one hundred two".