121914148163 has 4 divisors (see below), whose sum is σ = 121916124960. Its totient is φ = 121912171368.

The previous prime is 121914148157. The next prime is 121914148183. The reversal of 121914148163 is 361841419121.

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

It is a cyclic number.

It is not a de Polignac number, because 121914148163 - 2⁶ = 121914148099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121914148163.

It is not an unprimeable number, because it can be changed into a prime (121914148183) 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, 892808 + ... + 1020261.

It is an arithmetic number, because the mean of its divisors is an integer number (30479031240).

Almost surely, 2^121914148163 is an apocalyptic number.

121914148163 is a deficient number, since it is larger than the sum of its proper divisors (1976797).

121914148163 is an equidigital number, since it uses as much as digits as its factorization.

121914148163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976796.

The product of its digits is 41472, while the sum is 41.

The spelling of 121914148163 in words is "one hundred twenty-one billion, nine hundred fourteen million, one hundred forty-eight thousand, one hundred sixty-three".