110112011022721 has 2 divisors, whose sum is σ = 110112011022722. Its totient is φ = 110112011022720.

The previous prime is 110112011022719. The next prime is 110112011022787. The reversal of 110112011022721 is 127220110211011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94895575342096 + 15216435680625 = 9741436^2 + 3900825^2 .

It is a cyclic number.

It is not a de Polignac number, because 110112011022721 - 2¹ = 110112011022719 is a prime.

Together with 110112011022719, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 110112011022692 and 110112011022701.

It is not a weakly prime, because it can be changed into another prime (110112011025721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55056005511360 + 55056005511361.

It is an arithmetic number, because the mean of its divisors is an integer number (55056005511361).

Almost surely, 2^{110112011022721} is an apocalyptic number.

It is an amenable number.

110112011022721 is a deficient number, since it is larger than the sum of its proper divisors (1).

110112011022721 is an equidigital number, since it uses as much as digits as its factorization.

110112011022721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 110112011022721 its reverse (127220110211011), we get a palindrome (237332121233732).

The spelling of 110112011022721 in words is "one hundred ten trillion, one hundred twelve billion, eleven million, twenty-two thousand, seven hundred twenty-one".