30000231201021 has 16 divisors (see below), whose sum is σ = 42863547916224. Its totient is φ = 18596883217664.

The previous prime is 30000231201013. The next prime is 30000231201023. The reversal of 30000231201021 is 12010213200003.

It is a cyclic number.

It is not a de Polignac number, because 30000231201021 - 2³ = 30000231201013 is a prime.

It is a super-2 number, since 2×30000231201021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000231201023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3543609186 + ... + 3543617651.

It is an arithmetic number, because the mean of its divisors is an integer number (2678971744764).

Almost surely, 2^{30000231201021} is an apocalyptic number.

It is an amenable number.

30000231201021 is a deficient number, since it is larger than the sum of its proper divisors (12863316715203).

30000231201021 is a wasteful number, since it uses less digits than its factorization.

30000231201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087226940.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30000231201021 its reverse (12010213200003), we get a palindrome (42010444401024).

The spelling of 30000231201021 in words is "thirty trillion, two hundred thirty-one million, two hundred one thousand, twenty-one".