121157162711 has 4 divisors (see below), whose sum is σ = 130476944472. Its totient is φ = 111837380952.

The previous prime is 121157162669. The next prime is 121157162719. The reversal of 121157162711 is 117261751121.

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 121157162711 - 2³⁰ = 120083420887 is a prime.

It is a super-3 number, since 3×121157162711³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121157162719) 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, 4659890861 + ... + 4659890886.

It is an arithmetic number, because the mean of its divisors is an integer number (32619236118).

Almost surely, 2^121157162711 is an apocalyptic number.

121157162711 is a deficient number, since it is larger than the sum of its proper divisors (9319781761).

121157162711 is an equidigital number, since it uses as much as digits as its factorization.

121157162711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9319781760.

The product of its digits is 5880, while the sum is 35.

The spelling of 121157162711 in words is "one hundred twenty-one billion, one hundred fifty-seven million, one hundred sixty-two thousand, seven hundred eleven".