121133708917776 has 45 divisors (see below), whose sum is σ = 339006513328509. Its totient is φ = 40377858948288.

The previous prime is 121133708917717. The next prime is 121133708917829. The reversal of 121133708917776 is 677719807331121.

The square root of 121133708917776 is 11006076.

It is a perfect power (a square), and thus also a powerful number.

121133708917776 is a `hidden beast` number, since 1 + 2 + 1 + 13 + 370 + 89 + 177 + 7 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 101307848432400 + 19825860485376 = 10065180^2 + 4452624^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 131614326 + ... + 132531498.

Almost surely, 2^{121133708917776} is an apocalyptic number.

121133708917776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

121133708917776 is the 11006076-th square number.

It is an amenable number.

121133708917776 is an abundant number, since it is smaller than the sum of its proper divisors (217872804410733).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121133708917776 is an frugal number, since it uses more digits than its factorization.

121133708917776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834360 (or 917178 counting only the distinct ones).

The product of its (nonzero) digits is 18670176, while the sum is 63.

The spelling of 121133708917776 in words is "one hundred twenty-one trillion, one hundred thirty-three billion, seven hundred eight million, nine hundred seventeen thousand, seven hundred seventy-six".