210002202101 has 4 divisors (see below), whose sum is σ = 221054949600. Its totient is φ = 198949454604.

The previous prime is 210002202077. The next prime is 210002202103. The reversal of 210002202101 is 101202200012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210002202101 - 2²² = 209998007797 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 (210002202103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5526373721 + ... + 5526373758.

It is an arithmetic number, because the mean of its divisors is an integer number (55263737400).

Almost surely, 2^210002202101 is an apocalyptic number.

It is an amenable number.

210002202101 is a deficient number, since it is larger than the sum of its proper divisors (11052747499).

210002202101 is a wasteful number, since it uses less digits than its factorization.

210002202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11052747498.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210002202101 its reverse (101202200012), we get a palindrome (311204402113).

The spelling of 210002202101 in words is "two hundred ten billion, two million, two hundred two thousand, one hundred one".