210012421102 has 32 divisors (see below), whose sum is σ = 347312448000. Its totient is φ = 94446084000.

The previous prime is 210012421063. The next prime is 210012421133. The reversal of 210012421102 is 201124210012.

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, 3074799 + ... + 3142357.

It is an arithmetic number, because the mean of its divisors is an integer number (10853514000).

Almost surely, 2^210012421102 is an apocalyptic number.

210012421102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210012421102 is a deficient number, since it is larger than the sum of its proper divisors (137300026898).

210012421102 is a wasteful number, since it uses less digits than its factorization.

210012421102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69072.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210012421102 its reverse (201124210012), we get a palindrome (411136631114).

The spelling of 210012421102 in words is "two hundred ten billion, twelve million, four hundred twenty-one thousand, one hundred two".