110112210211021 has 4 divisors (see below), whose sum is σ = 110112258816700. Its totient is φ = 110112161605344.

The previous prime is 110112210211001. The next prime is 110112210211027. The reversal of 110112210211021 is 120112012211011.

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 13148702740996 + 96963507470025 = 3626114^2 + 9847005^2 .

It is a cyclic number.

It is not a de Polignac number, because 110112210211021 - 2²⁵ = 110112176656589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110112210210986 and 110112210211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110112210211027) 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, 20729586 + ... + 25493923.

It is an arithmetic number, because the mean of its divisors is an integer number (27528064704175).

Almost surely, 2^{110112210211021} is an apocalyptic number.

It is an amenable number.

110112210211021 is a deficient number, since it is larger than the sum of its proper divisors (48605679).

110112210211021 is an equidigital number, since it uses as much as digits as its factorization.

110112210211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48605678.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 110112210211021 its reverse (120112012211011), we get a palindrome (230224222422032).

The spelling of 110112210211021 in words is "one hundred ten trillion, one hundred twelve billion, two hundred ten million, two hundred eleven thousand, twenty-one".