110112212211121 has 4 divisors (see below), whose sum is σ = 115907591801200. Its totient is φ = 104316832621044.

The previous prime is 110112212211107. The next prime is 110112212211137. The reversal of 110112212211121 is 121112212211011.

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 a cyclic number.

It is not a de Polignac number, because 110112212211121 - 2⁷ = 110112212210993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5795379590059 = 110112212211121 / (1 + 1 + 0 + 1 + 1 + 2 + 2 + 1 + 2 + 2 + 1 + 1 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110112212211181) 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, 2897689795011 + ... + 2897689795048.

It is an arithmetic number, because the mean of its divisors is an integer number (28976897950300).

Almost surely, 2^{110112212211121} is an apocalyptic number.

It is an amenable number.

110112212211121 is a deficient number, since it is larger than the sum of its proper divisors (5795379590079).

110112212211121 is an equidigital number, since it uses as much as digits as its factorization.

110112212211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795379590078.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 110112212211121 its reverse (121112212211011), we get a palindrome (231224424422132).

The spelling of 110112212211121 in words is "one hundred ten trillion, one hundred twelve billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty-one".