121381118092 has 18 divisors (see below), whose sum is σ = 230013628908. Its totient is φ = 56022054192.

The previous prime is 121381118077. The next prime is 121381118099. The reversal of 121381118092 is 290811183121.

It is not an unprimeable number, because it can be changed into a prime (121381118099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89778258 + ... + 89779609.

Almost surely, 2^121381118092 is an apocalyptic number.

It is an amenable number.

121381118092 is a deficient number, since it is larger than the sum of its proper divisors (108632510816).

121381118092 is a wasteful number, since it uses less digits than its factorization.

121381118092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179557897 (or 179557882 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 37.

The spelling of 121381118092 in words is "one hundred twenty-one billion, three hundred eighty-one million, one hundred eighteen thousand, ninety-two".