21031013022301 has 4 divisors (see below), whose sum is σ = 21182315274400. Its totient is φ = 20879710770204.

The previous prime is 21031013022287. The next prime is 21031013022307. The reversal of 21031013022301 is 10322031013012.

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 21031013022301 - 2³³ = 21022423087709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21031013022307) 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, 75651125841 + ... + 75651126118.

It is an arithmetic number, because the mean of its divisors is an integer number (5295578818600).

Almost surely, 2^{21031013022301} is an apocalyptic number.

It is an amenable number.

21031013022301 is a deficient number, since it is larger than the sum of its proper divisors (151302252099).

21031013022301 is a wasteful number, since it uses less digits than its factorization.

21031013022301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151302252098.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21031013022301 its reverse (10322031013012), we get a palindrome (31353044035313).

The spelling of 21031013022301 in words is "twenty-one trillion, thirty-one billion, thirteen million, twenty-two thousand, three hundred one".