1011102089 has 2 divisors, whose sum is σ = 1011102090. Its totient is φ = 1011102088.

The previous prime is 1011101981. The next prime is 1011102109. The reversal of 1011102089 is 9802011101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 752953600 + 258148489 = 27440^2 + 16067^2 .

It is an emirp because it is prime and its reverse (9802011101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011102089 - 2²⁸ = 742666633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011102289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505551044 + 505551045.

It is an arithmetic number, because the mean of its divisors is an integer number (505551045).

Almost surely, 2^1011102089 is an apocalyptic number.

It is an amenable number.

1011102089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011102089 is an equidigital number, since it uses as much as digits as its factorization.

1011102089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 1011102089 is about 31797.8315141143. The cubic root of 1011102089 is about 1003.6870850292.

The spelling of 1011102089 in words is "one billion, eleven million, one hundred two thousand, eighty-nine".