30022310021 has 24 divisors (see below), whose sum is σ = 34277063520. Its totient is φ = 26076204000.

The previous prime is 30022310011. The next prime is 30022310053. The reversal of 30022310021 is 12001322003.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-30022310021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30022309978 and 30022310005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022310011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6113315 + ... + 6118223.

It is an arithmetic number, because the mean of its divisors is an integer number (1428210980).

Almost surely, 2^30022310021 is an apocalyptic number.

It is an amenable number.

30022310021 is a deficient number, since it is larger than the sum of its proper divisors (4254753499).

30022310021 is a wasteful number, since it uses less digits than its factorization.

30022310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017 (or 5994 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30022310021 its reverse (12001322003), we get a palindrome (42023632024).

It can be divided in two parts, 30022 and 310021, that added together give a palindrome (340043).

The spelling of 30022310021 in words is "thirty billion, twenty-two million, three hundred ten thousand, twenty-one".