1121110998 has 64 divisors (see below), whose sum is σ = 2722368000. Its totient is φ = 300651264.

The previous prime is 1121110997. The next prime is 1121111023. The reversal of 1121110998 is 8990111211.

1121110998 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121110997) 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, 80538 + ... + 93426.

It is an arithmetic number, because the mean of its divisors is an integer number (42537000).

Almost surely, 2^1121110998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121110998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1361184000).

1121110998 is an abundant number, since it is smaller than the sum of its proper divisors (1601257002).

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

1121110998 is a wasteful number, since it uses less digits than its factorization.

1121110998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13029.

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

The square root of 1121110998 is about 33482.9956545110. The cubic root of 1121110998 is about 1038.8420908534.

The spelling of 1121110998 in words is "one billion, one hundred twenty-one million, one hundred ten thousand, nine hundred ninety-eight".