110120303921 has 2 divisors, whose sum is σ = 110120303922. Its totient is φ = 110120303920.

The previous prime is 110120303903. The next prime is 110120303941. The reversal of 110120303921 is 129303021011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102471052321 + 7649251600 = 320111^2 + 87460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110120303921 is a prime.

It is not a weakly prime, because it can be changed into another prime (110120303941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060151960 + 55060151961.

It is an arithmetic number, because the mean of its divisors is an integer number (55060151961).

Almost surely, 2^110120303921 is an apocalyptic number.

It is an amenable number.

110120303921 is a deficient number, since it is larger than the sum of its proper divisors (1).

110120303921 is an equidigital number, since it uses as much as digits as its factorization.

110120303921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 110120303921 its reverse (129303021011), we get a palindrome (239423324932).

The spelling of 110120303921 in words is "one hundred ten billion, one hundred twenty million, three hundred three thousand, nine hundred twenty-one".