1102111889 has 2 divisors, whose sum is σ = 1102111890. Its totient is φ = 1102111888.

The previous prime is 1102111867. The next prime is 1102111909. The reversal of 1102111889 is 9881112011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 790059664 + 312052225 = 28108^2 + 17665^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102111889 - 2²⁴ = 1085334673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102111849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551055944 + 551055945.

It is an arithmetic number, because the mean of its divisors is an integer number (551055945).

Almost surely, 2^1102111889 is an apocalyptic number.

It is an amenable number.

1102111889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102111889 is an equidigital number, since it uses as much as digits as its factorization.

1102111889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 32.

The square root of 1102111889 is about 33198.0705614046. The cubic root of 1102111889 is about 1032.9403176810.

The spelling of 1102111889 in words is "one billion, one hundred two million, one hundred eleven thousand, eight hundred eighty-nine".