1111100998 has 16 divisors (see below), whose sum is σ = 1906613280. Its totient is φ = 475718976.

The previous prime is 1111100993. The next prime is 1111101007. The reversal of 1111100998 is 8990011111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111100993) 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, 23953 + ... + 52876.

It is an arithmetic number, because the mean of its divisors is an integer number (119163330).

Almost surely, 2^1111100998 is an apocalyptic number.

1111100998 is a deficient number, since it is larger than the sum of its proper divisors (795512282).

1111100998 is a wasteful number, since it uses less digits than its factorization.

1111100998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77871.

The product of its (nonzero) digits is 648, while the sum is 31.

The square root of 1111100998 is about 33333.1816363215. The cubic root of 1111100998 is about 1035.7410262630.

The spelling of 1111100998 in words is "one billion, one hundred eleven million, one hundred thousand, nine hundred ninety-eight".