30120121097 has 16 divisors (see below), whose sum is σ = 33601986240. Its totient is φ = 26767713600.

The previous prime is 30120121067. The next prime is 30120121117. The reversal of 30120121097 is 79012102103.

It is a cyclic number.

It is not a de Polignac number, because 30120121097 - 2⁸ = 30120120841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30120121037) 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, 28322 + ... + 247067.

It is an arithmetic number, because the mean of its divisors is an integer number (2100124140).

Almost surely, 2^30120121097 is an apocalyptic number.

It is an amenable number.

30120121097 is a deficient number, since it is larger than the sum of its proper divisors (3481865143).

30120121097 is a wasteful number, since it uses less digits than its factorization.

30120121097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275624.

The product of its (nonzero) digits is 756, while the sum is 26.

The spelling of 30120121097 in words is "thirty billion, one hundred twenty million, one hundred twenty-one thousand, ninety-seven".