110989121 has 2 divisors, whose sum is σ = 110989122. Its totient is φ = 110989120.

The previous prime is 110989079. The next prime is 110989139. The reversal of 110989121 is 121989011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108972721 + 2016400 = 10439^2 + 1420^2 .

It is a cyclic number.

It is not a de Polignac number, because 110989121 - 2¹⁴ = 110972737 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (110986121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55494560 + 55494561.

It is an arithmetic number, because the mean of its divisors is an integer number (55494561).

Almost surely, 2^110989121 is an apocalyptic number.

It is an amenable number.

110989121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110989121 is an equidigital number, since it uses as much as digits as its factorization.

110989121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 32.

The square root of 110989121 is about 10535.1374457100. The cubic root of 110989121 is about 480.5738521556.

The spelling of 110989121 in words is "one hundred ten million, nine hundred eighty-nine thousand, one hundred twenty-one".