21202330112401 has 4 divisors (see below), whose sum is σ = 22318242223600. Its totient is φ = 20086418001204.

The previous prime is 21202330112393. The next prime is 21202330112423. The reversal of 21202330112401 is 10421103320212.

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 21202330112401 - 2³ = 21202330112393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202339112401) 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, 557956055571 + ... + 557956055608.

It is an arithmetic number, because the mean of its divisors is an integer number (5579560555900).

Almost surely, 2^{21202330112401} is an apocalyptic number.

It is an amenable number.

21202330112401 is a deficient number, since it is larger than the sum of its proper divisors (1115912111199).

21202330112401 is a wasteful number, since it uses less digits than its factorization.

21202330112401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115912111198.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21202330112401 its reverse (10421103320212), we get a palindrome (31623433432613).

The spelling of 21202330112401 in words is "twenty-one trillion, two hundred two billion, three hundred thirty million, one hundred twelve thousand, four hundred one".