110112001100021 has 4 divisors (see below), whose sum is σ = 112454809634112. Its totient is φ = 107769192565932.

The previous prime is 110112001099949. The next prime is 110112001100027. The reversal of 110112001100021 is 120001100211011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 110112001100021 - 2³⁴ = 110094821230837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110112001099975 and 110112001100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110112001100027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1171404266975 + ... + 1171404267068.

It is an arithmetic number, because the mean of its divisors is an integer number (28113702408528).

Almost surely, 2^{110112001100021} is an apocalyptic number.

It is an amenable number.

110112001100021 is a deficient number, since it is larger than the sum of its proper divisors (2342808534091).

110112001100021 is an equidigital number, since it uses as much as digits as its factorization.

110112001100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342808534090.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 110112001100021 its reverse (120001100211011), we get a palindrome (230113101311032).

The spelling of 110112001100021 in words is "one hundred ten trillion, one hundred twelve billion, one million, one hundred thousand, twenty-one".