10111111009998 has 32 divisors (see below), whose sum is σ = 20536211750400. Its totient is φ = 3318280432896.

The previous prime is 10111111009963. The next prime is 10111111010027. The reversal of 10111111009998 is 89990011111101.

It is a super-3 number, since 3×10111111009998³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30047208 + ... + 30381851.

It is an arithmetic number, because the mean of its divisors is an integer number (641756617200).

Almost surely, 2^{10111111009998} is an apocalyptic number.

10111111009998 is an abundant number, since it is smaller than the sum of its proper divisors (10425100740402).

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

10111111009998 is a wasteful number, since it uses less digits than its factorization.

10111111009998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60429496.

The product of its (nonzero) digits is 5832, while the sum is 42.

The spelling of 10111111009998 in words is "ten trillion, one hundred eleven billion, one hundred eleven million, nine thousand, nine hundred ninety-eight".