210102001097 has 4 divisors (see below), whose sum is σ = 222460942356. Its totient is φ = 197743059840.

The previous prime is 210102001069. The next prime is 210102001111. The reversal of 210102001097 is 790100201012.

210102001097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60819451456 + 149282549641 = 246616^2 + 386371^2 .

It is a cyclic number.

It is not a de Polignac number, because 210102001097 - 2⁶ = 210102001033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210102001297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6179470604 + ... + 6179470637.

It is an arithmetic number, because the mean of its divisors is an integer number (55615235589).

Almost surely, 2^210102001097 is an apocalyptic number.

It is an amenable number.

210102001097 is a deficient number, since it is larger than the sum of its proper divisors (12358941259).

210102001097 is a wasteful number, since it uses less digits than its factorization.

210102001097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12358941258.

The product of its (nonzero) digits is 252, while the sum is 23.

The spelling of 210102001097 in words is "two hundred ten billion, one hundred two million, one thousand, ninety-seven".