110320122222421 has 2 divisors, whose sum is σ = 110320122222422. Its totient is φ = 110320122222420.

The previous prime is 110320122222413. The next prime is 110320122222461. The reversal of 110320122222421 is 124222221023011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108982951460100 + 1337170762321 = 10439490^2 + 1156361^2 .

It is a cyclic number.

It is not a de Polignac number, because 110320122222421 - 2³ = 110320122222413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110320122222461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55160061111210 + 55160061111211.

It is an arithmetic number, because the mean of its divisors is an integer number (55160061111211).

Almost surely, 2^{110320122222421} is an apocalyptic number.

It is an amenable number.

110320122222421 is a deficient number, since it is larger than the sum of its proper divisors (1).

110320122222421 is an equidigital number, since it uses as much as digits as its factorization.

110320122222421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 110320122222421 its reverse (124222221023011), we get a palindrome (234542343245432).

The spelling of 110320122222421 in words is "one hundred ten trillion, three hundred twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, four hundred twenty-one".