121177541267131 has 16 divisors (see below), whose sum is σ = 131771985433600. Its totient is φ = 111010502008800.

The previous prime is 121177541267117. The next prime is 121177541267137. The reversal of 121177541267131 is 131762145771121.

It is a cyclic number.

It is not a de Polignac number, because 121177541267131 - 2⁹ = 121177541266619 is a prime.

It is a super-4 number, since 4×121177541267131⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (121177541267137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78919836 + ... + 80440633.

It is an arithmetic number, because the mean of its divisors is an integer number (8235749089600).

Almost surely, 2^{121177541267131} is an apocalyptic number.

121177541267131 is a deficient number, since it is larger than the sum of its proper divisors (10594444166469).

121177541267131 is a wasteful number, since it uses less digits than its factorization.

121177541267131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159361810.

The product of its digits is 493920, while the sum is 49.

The spelling of 121177541267131 in words is "one hundred twenty-one trillion, one hundred seventy-seven billion, five hundred forty-one million, two hundred sixty-seven thousand, one hundred thirty-one".