210902980101 has 32 divisors (see below), whose sum is σ = 338935477248. Its totient is φ = 115070672640.

The previous prime is 210902980073. The next prime is 210902980111. The reversal of 210902980101 is 101089209012.

It is not a de Polignac number, because 210902980101 - 2¹¹ = 210902978053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210902980111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8159731 + ... + 8185536.

It is an arithmetic number, because the mean of its divisors is an integer number (10591733664).

Almost surely, 2^210902980101 is an apocalyptic number.

It is an amenable number.

210902980101 is a deficient number, since it is larger than the sum of its proper divisors (128032497147).

210902980101 is a wasteful number, since it uses less digits than its factorization.

210902980101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16345321.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 210902980101 in words is "two hundred ten billion, nine hundred two million, nine hundred eighty thousand, one hundred one".