30121131102023 has 16 divisors (see below), whose sum is σ = 33879506172960. Its totient is φ = 26594138630016.

The previous prime is 30121131101993. The next prime is 30121131102071. The reversal of 30121131102023 is 32020113112103.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30121131102023 - 2²² = 30121126907719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30121131101986 and 30121131102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121131102823) 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, 530665640 + ... + 530722397.

It is an arithmetic number, because the mean of its divisors is an integer number (2117469135810).

Almost surely, 2^{30121131102023} is an apocalyptic number.

30121131102023 is a deficient number, since it is larger than the sum of its proper divisors (3758375070937).

30121131102023 is a wasteful number, since it uses less digits than its factorization.

30121131102023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061388146.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30121131102023 its reverse (32020113112103), we get a palindrome (62141244214126).

The spelling of 30121131102023 in words is "thirty trillion, one hundred twenty-one billion, one hundred thirty-one million, one hundred two thousand, twenty-three".