110112221122021 has 2 divisors, whose sum is σ = 110112221122022. Its totient is φ = 110112221122020.

The previous prime is 110112221121961. The next prime is 110112221122037. The reversal of 110112221122021 is 120221122211011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69939936260100 + 40172284861921 = 8363010^2 + 6338161^2 .

It is a cyclic number.

It is not a de Polignac number, because 110112221122021 - 2²⁹ = 110111684251109 is a prime.

It is a super-3 number, since 3×110112221122021³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 110112221122021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110112221122051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55056110561010 + 55056110561011.

It is an arithmetic number, because the mean of its divisors is an integer number (55056110561011).

Almost surely, 2^{110112221122021} is an apocalyptic number.

It is an amenable number.

110112221122021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110112221122021 is an equidigital number, since it uses as much as digits as its factorization.

110112221122021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 110112221122021 its reverse (120221122211011), we get a palindrome (230333343333032).

The spelling of 110112221122021 in words is "one hundred ten trillion, one hundred twelve billion, two hundred twenty-one million, one hundred twenty-two thousand, twenty-one".