1112110021 has 8 divisors (see below), whose sum is σ = 1214495424. Its totient is φ = 1009938720.

The previous prime is 1112109997. The next prime is 1112110031. The reversal of 1112110021 is 1200112111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112110021 - 2²⁵ = 1078555589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112110031) 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, 42561 + ... + 63526.

It is an arithmetic number, because the mean of its divisors is an integer number (151811928).

Almost surely, 2^1112110021 is an apocalyptic number.

1112110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112110021 is a deficient number, since it is larger than the sum of its proper divisors (102385403).

1112110021 is a wasteful number, since it uses less digits than its factorization.

1112110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107051.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1112110021 is about 33348.3136155338. The cubic root of 1112110021 is about 1036.0544602116.

Adding to 1112110021 its reverse (1200112111), we get a palindrome (2312222132).

The spelling of 1112110021 in words is "one billion, one hundred twelve million, one hundred ten thousand, twenty-one".