21302231233001 has 4 divisors (see below), whose sum is σ = 21351656363904. Its totient is φ = 21252806102100.

The previous prime is 21302231232979. The next prime is 21302231233009. The reversal of 21302231233001 is 10033213220312.

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 21302231233001 - 2³⁴ = 21285051363817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21302231233009) 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, 24712564805 + ... + 24712565666.

It is an arithmetic number, because the mean of its divisors is an integer number (5337914090976).

Almost surely, 2^{21302231233001} is an apocalyptic number.

It is an amenable number.

21302231233001 is a deficient number, since it is larger than the sum of its proper divisors (49425130903).

21302231233001 is an equidigital number, since it uses as much as digits as its factorization.

21302231233001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49425130902.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21302231233001 its reverse (10033213220312), we get a palindrome (31335444453313).

The spelling of 21302231233001 in words is "twenty-one trillion, three hundred two billion, two hundred thirty-one million, two hundred thirty-three thousand, one".