210202112101 has 16 divisors (see below), whose sum is σ = 211989732480. Its totient is φ = 208424079360.

The previous prime is 210202112089. The next prime is 210202112137. The reversal of 210202112101 is 101211202012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210202112101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210202112161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78169765 + ... + 78172453.

It is an arithmetic number, because the mean of its divisors is an integer number (13249358280).

Almost surely, 2^210202112101 is an apocalyptic number.

It is an amenable number.

210202112101 is a deficient number, since it is larger than the sum of its proper divisors (1787620379).

210202112101 is a wasteful number, since it uses less digits than its factorization.

210202112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210202112101 its reverse (101211202012), we get a palindrome (311413314113).

The spelling of 210202112101 in words is "two hundred ten billion, two hundred two million, one hundred twelve thousand, one hundred one".