121148914265 has 4 divisors (see below), whose sum is σ = 145378697124. Its totient is φ = 96919131408.

The previous prime is 121148914207. The next prime is 121148914267. The reversal of 121148914265 is 562419841121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74732797129 + 46416117136 = 273373^2 + 215444^2 .

It is a cyclic number.

It is not a de Polignac number, because 121148914265 - 2²⁸ = 120880478809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121148914267) 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, 12114891422 + ... + 12114891431.

It is an arithmetic number, because the mean of its divisors is an integer number (36344674281).

Almost surely, 2^121148914265 is an apocalyptic number.

It is an amenable number.

121148914265 is a deficient number, since it is larger than the sum of its proper divisors (24229782859).

121148914265 is an equidigital number, since it uses as much as digits as its factorization.

121148914265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24229782858.

The product of its digits is 138240, while the sum is 44.

The spelling of 121148914265 in words is "one hundred twenty-one billion, one hundred forty-eight million, nine hundred fourteen thousand, two hundred sixty-five".