121101116979 has 8 divisors (see below), whose sum is σ = 161522773200. Its totient is φ = 80706769376.

The previous prime is 121101116977. The next prime is 121101117029. The reversal of 121101116979 is 979611101121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121101116979 - 2¹ = 121101116977 is a prime.

It is a super-2 number, since 2×121101116979² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121101116977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6816804 + ... + 6834545.

It is an arithmetic number, because the mean of its divisors is an integer number (20190346650).

Almost surely, 2^121101116979 is an apocalyptic number.

121101116979 is a deficient number, since it is larger than the sum of its proper divisors (40421656221).

121101116979 is a wasteful number, since it uses less digits than its factorization.

121101116979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13654309.

The product of its (nonzero) digits is 6804, while the sum is 39.

The spelling of 121101116979 in words is "one hundred twenty-one billion, one hundred one million, one hundred sixteen thousand, nine hundred seventy-nine".