110422042421 has 2 divisors, whose sum is σ = 110422042422. Its totient is φ = 110422042420.

The previous prime is 110422042397. The next prime is 110422042429. The reversal of 110422042421 is 124240224011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110257202500 + 164839921 = 332050^2 + 12839^2 .

It is an emirp because it is prime and its reverse (124240224011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110422042421 - 2¹⁸ = 110421780277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110422042429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55211021210 + 55211021211.

It is an arithmetic number, because the mean of its divisors is an integer number (55211021211).

Almost surely, 2^110422042421 is an apocalyptic number.

It is an amenable number.

110422042421 is a deficient number, since it is larger than the sum of its proper divisors (1).

110422042421 is an equidigital number, since it uses as much as digits as its factorization.

110422042421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 110422042421 its reverse (124240224011), we get a palindrome (234662266432).

The spelling of 110422042421 in words is "one hundred ten billion, four hundred twenty-two million, forty-two thousand, four hundred twenty-one".