121110302988 has 18 divisors (see below), whose sum is σ = 306139932644. Its totient is φ = 40370100984.

The previous prime is 121110302921. The next prime is 121110303023. The reversal of 121110302988 is 889203011121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3364175083 = 121110302988 / (1 + 2 + 1 + 1 + 1 + 0 + 3 + 0 + 2 + 9 + 8 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1682087506 + ... + 1682087577.

Almost surely, 2^121110302988 is an apocalyptic number.

121110302988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

121110302988 is an abundant number, since it is smaller than the sum of its proper divisors (185029629656).

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

121110302988 is a wasteful number, since it uses less digits than its factorization.

121110302988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364175093 (or 3364175088 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The spelling of 121110302988 in words is "one hundred twenty-one billion, one hundred ten million, three hundred two thousand, nine hundred eighty-eight".