120001109998 has 64 divisors (see below), whose sum is σ = 228380705280. Its totient is φ = 45934300800.

The previous prime is 120001109993. The next prime is 120001109999. The reversal of 120001109998 is 899901100021.

It is a self number, because there is not a number n which added to its sum of digits gives 120001109998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001109993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2287608 + ... + 2339476.

It is an arithmetic number, because the mean of its divisors is an integer number (3568448520).

Almost surely, 2^120001109998 is an apocalyptic number.

120001109998 is a deficient number, since it is larger than the sum of its proper divisors (108379595282).

120001109998 is a wasteful number, since it uses less digits than its factorization.

120001109998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52153.

The product of its (nonzero) digits is 11664, while the sum is 40.

The spelling of 120001109998 in words is "one hundred twenty billion, one million, one hundred nine thousand, nine hundred ninety-eight".