110123201249 has 2 divisors, whose sum is σ = 110123201250. Its totient is φ = 110123201248.

The previous prime is 110123201147. The next prime is 110123201257. The reversal of 110123201249 is 942102321011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67509030625 + 42614170624 = 259825^2 + 206432^2 .

It is an emirp because it is prime and its reverse (942102321011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110123201249 - 2¹⁶ = 110123135713 is a prime.

It is not a weakly prime, because it can be changed into another prime (110123201849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55061600624 + 55061600625.

It is an arithmetic number, because the mean of its divisors is an integer number (55061600625).

Almost surely, 2^110123201249 is an apocalyptic number.

It is an amenable number.

110123201249 is a deficient number, since it is larger than the sum of its proper divisors (1).

110123201249 is an equidigital number, since it uses as much as digits as its factorization.

110123201249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 110123201249 in words is "one hundred ten billion, one hundred twenty-three million, two hundred one thousand, two hundred forty-nine".