1112101998 has 32 divisors (see below), whose sum is σ = 2623948800. Its totient is φ = 307493280.

The previous prime is 1112101997. The next prime is 1112102009. The reversal of 1112101998 is 8991012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112101997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425773 + ... + 428376.

It is an arithmetic number, because the mean of its divisors is an integer number (81998400).

Almost surely, 2^1112101998 is an apocalyptic number.

1112101998 is an abundant number, since it is smaller than the sum of its proper divisors (1511846802).

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

1112101998 is a wasteful number, since it uses less digits than its factorization.

1112101998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854192.

The product of its (nonzero) digits is 1296, while the sum is 33.

The square root of 1112101998 is about 33348.1933243767. The cubic root of 1112101998 is about 1036.0519687660.

The spelling of 1112101998 in words is "one billion, one hundred twelve million, one hundred one thousand, nine hundred ninety-eight".