112110021010021 has 4 divisors (see below), whose sum is σ = 115975883803500. Its totient is φ = 108244158216544.

The previous prime is 112110021009997. The next prime is 112110021010037. The reversal of 112110021010021 is 120010120011211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36034748381025 + 76075272628996 = 6002895^2 + 8722114^2 .

It is a cyclic number.

It is not a de Polignac number, because 112110021010021 - 2¹⁷ = 112110020878949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112110021009983 and 112110021010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112110021010081) 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, 1932931396696 + ... + 1932931396753.

It is an arithmetic number, because the mean of its divisors is an integer number (28993970950875).

Almost surely, 2^{112110021010021} is an apocalyptic number.

It is an amenable number.

112110021010021 is a deficient number, since it is larger than the sum of its proper divisors (3865862793479).

112110021010021 is an equidigital number, since it uses as much as digits as its factorization.

112110021010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865862793478.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112110021010021 its reverse (120010120011211), we get a palindrome (232120141021232).

The spelling of 112110021010021 in words is "one hundred twelve trillion, one hundred ten billion, twenty-one million, ten thousand, twenty-one".