210021010200231 has 4 divisors (see below), whose sum is σ = 280028013600312. Its totient is φ = 140014006800152.

The previous prime is 210021010200161. The next prime is 210021010200241. The reversal of 210021010200231 is 132002010120012.

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

It is a cyclic number.

It is not a de Polignac number, because 210021010200231 - 2¹⁰ = 210021010199207 is a prime.

It is a super-2 number, since 2×210021010200231² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210021010200231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210021010200241) 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, 35003501700036 + ... + 35003501700041.

It is an arithmetic number, because the mean of its divisors is an integer number (70007003400078).

Almost surely, 2^{210021010200231} is an apocalyptic number.

210021010200231 is a deficient number, since it is larger than the sum of its proper divisors (70007003400081).

210021010200231 is an equidigital number, since it uses as much as digits as its factorization.

210021010200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70007003400080.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 210021010200231 its reverse (132002010120012), we get a palindrome (342023020320243).

The spelling of 210021010200231 in words is "two hundred ten trillion, twenty-one billion, ten million, two hundred thousand, two hundred thirty-one".