210130233201021 has 16 divisors (see below), whose sum is σ = 320667262401024. Its totient is φ = 119898614543664.

The previous prime is 210130233201019. The next prime is 210130233201071. The reversal of 210130233201021 is 120102332031012.

It is not a de Polignac number, because 210130233201021 - 2¹ = 210130233201019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210130233201011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7325169831 + ... + 7325198516.

It is an arithmetic number, because the mean of its divisors is an integer number (20041703900064).

Almost surely, 2^{210130233201021} is an apocalyptic number.

210130233201021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210130233201021 is a deficient number, since it is larger than the sum of its proper divisors (110537029200003).

210130233201021 is a wasteful number, since it uses less digits than its factorization.

210130233201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14650369040.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 210130233201021 its reverse (120102332031012), we get a palindrome (330232565232033).

The spelling of 210130233201021 in words is "two hundred ten trillion, one hundred thirty billion, two hundred thirty-three million, two hundred one thousand, twenty-one".