210000231013021 has 8 divisors (see below), whose sum is σ = 211369112715200. Its totient is φ = 208634485352832.

The previous prime is 210000231012997. The next prime is 210000231013061. The reversal of 210000231013021 is 120310132000012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210000231013021 - 2³⁷ = 209862792059549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210000231012986 and 210000231013004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210000231013061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783876135 + ... + 784143988.

It is an arithmetic number, because the mean of its divisors is an integer number (26421139089400).

Almost surely, 2^{210000231013021} is an apocalyptic number.

It is an amenable number.

210000231013021 is a deficient number, since it is larger than the sum of its proper divisors (1368881702179).

210000231013021 is a wasteful number, since it uses less digits than its factorization.

210000231013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568020995.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 210000231013021 its reverse (120310132000012), we get a palindrome (330310363013033).

The spelling of 210000231013021 in words is "two hundred ten trillion, two hundred thirty-one million, thirteen thousand, twenty-one".