121140132866571 has 32 divisors (see below), whose sum is σ = 198829801730560. Its totient is φ = 63886604995584.

The previous prime is 121140132866561. The next prime is 121140132866587. The reversal of 121140132866571 is 175668231041121.

It is not a de Polignac number, because 121140132866571 - 2⁹ = 121140132866059 is a prime.

It is a super-3 number, since 3×121140132866571³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121140132866571.

It is not an unprimeable number, because it can be changed into a prime (121140132866561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38364166 + ... + 41401563.

It is an arithmetic number, because the mean of its divisors is an integer number (6213431304080).

Almost surely, 2^{121140132866571} is an apocalyptic number.

121140132866571 is a deficient number, since it is larger than the sum of its proper divisors (77689668863989).

121140132866571 is a wasteful number, since it uses less digits than its factorization.

121140132866571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79771315.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 121140132866571 in words is "one hundred twenty-one trillion, one hundred forty billion, one hundred thirty-two million, eight hundred sixty-six thousand, five hundred seventy-one".