121100000097 has 4 divisors (see below), whose sum is σ = 161466666800. Its totient is φ = 80733333396.

The previous prime is 121100000081. The next prime is 121100000111. The reversal of 121100000097 is 790000001121.

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 not a de Polignac number, because 121100000097 - 2⁴ = 121100000081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100000057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20183333347 + ... + 20183333352.

It is an arithmetic number, because the mean of its divisors is an integer number (40366666700).

Almost surely, 2^121100000097 is an apocalyptic number.

It is an amenable number.

121100000097 is a deficient number, since it is larger than the sum of its proper divisors (40366666703).

121100000097 is an equidigital number, since it uses as much as digits as its factorization.

121100000097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40366666702.

The product of its (nonzero) digits is 126, while the sum is 21.

The spelling of 121100000097 in words is "one hundred twenty-one billion, one hundred million, ninety-seven", and thus it is an aban number.