210001202231 has 2 divisors, whose sum is σ = 210001202232. Its totient is φ = 210001202230.

The previous prime is 210001202183. The next prime is 210001202239. The reversal of 210001202231 is 132202100012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210001202231 - 2²⁶ = 209934093367 is a prime.

It is a super-2 number, since 2×210001202231² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210001202239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105000601115 + 105000601116.

It is an arithmetic number, because the mean of its divisors is an integer number (105000601116).

Almost surely, 2^210001202231 is an apocalyptic number.

210001202231 is a deficient number, since it is larger than the sum of its proper divisors (1).

210001202231 is an equidigital number, since it uses as much as digits as its factorization.

210001202231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 210001202231 its reverse (132202100012), we get a palindrome (342203302243).

The spelling of 210001202231 in words is "two hundred ten billion, one million, two hundred two thousand, two hundred thirty-one".