30112213023121 has 4 divisors (see below), whose sum is σ = 30218616602992. Its totient is φ = 30005809443252.

The previous prime is 30112213023107. The next prime is 30112213023169. The reversal of 30112213023121 is 12132031221103.

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 30112213023121 - 2⁹ = 30112213022609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30112213023092 and 30112213023101.

It is not an unprimeable number, because it can be changed into a prime (30112213003121) 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, 53201789511 + ... + 53201790076.

It is an arithmetic number, because the mean of its divisors is an integer number (7554654150748).

Almost surely, 2^{30112213023121} is an apocalyptic number.

It is an amenable number.

30112213023121 is a deficient number, since it is larger than the sum of its proper divisors (106403579871).

30112213023121 is a wasteful number, since it uses less digits than its factorization.

30112213023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106403579870.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 30112213023121 its reverse (12132031221103), we get a palindrome (42244244244224).

The spelling of 30112213023121 in words is "thirty trillion, one hundred twelve billion, two hundred thirteen million, twenty-three thousand, one hundred twenty-one".