30013223211021 has 4 divisors (see below), whose sum is σ = 40017630948032. Its totient is φ = 20008815474012.

The previous prime is 30013223211017. The next prime is 30013223211029. The reversal of 30013223211021 is 12011232231003.

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 not a de Polignac number, because 30013223211021 - 2² = 30013223211017 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 (30013223211029) 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, 5002203868501 + ... + 5002203868506.

It is an arithmetic number, because the mean of its divisors is an integer number (10004407737008).

Almost surely, 2^{30013223211021} is an apocalyptic number.

It is an amenable number.

30013223211021 is a deficient number, since it is larger than the sum of its proper divisors (10004407737011).

30013223211021 is a wasteful number, since it uses less digits than its factorization.

30013223211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10004407737010.

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

Adding to 30013223211021 its reverse (12011232231003), we get a palindrome (42024455442024).

The spelling of 30013223211021 in words is "thirty trillion, thirteen billion, two hundred twenty-three million, two hundred eleven thousand, twenty-one".