1110124696921 has 2 divisors, whose sum is σ = 1110124696922. Its totient is φ = 1110124696920.

The previous prime is 1110124696907. The next prime is 1110124696939. The reversal of 1110124696921 is 1296964210111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 883667681296 + 226457015625 = 940036^2 + 475875^2 .

It is an emirp because it is prime and its reverse (1296964210111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110124696921 - 2⁹ = 1110124696409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110124696981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555062348460 + 555062348461.

It is an arithmetic number, because the mean of its divisors is an integer number (555062348461).

Almost surely, 2^{1110124696921} is an apocalyptic number.

It is an amenable number.

1110124696921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110124696921 is an equidigital number, since it uses as much as digits as its factorization.

1110124696921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 1110124696921 in words is "one trillion, one hundred ten billion, one hundred twenty-four million, six hundred ninety-six thousand, nine hundred twenty-one".