1100220089 has 2 divisors, whose sum is σ = 1100220090. Its totient is φ = 1100220088.

The previous prime is 1100220053. The next prime is 1100220103. The reversal of 1100220089 is 9800220011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 967210000 + 133010089 = 31100^2 + 11533^2 .

It is an emirp because it is prime and its reverse (9800220011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1100220089 - 2²⁴ = 1083442873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100228089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550110044 + 550110045.

It is an arithmetic number, because the mean of its divisors is an integer number (550110045).

Almost surely, 2^1100220089 is an apocalyptic number.

It is an amenable number.

1100220089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100220089 is an equidigital number, since it uses as much as digits as its factorization.

1100220089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1100220089 is about 33169.5657041210. The cubic root of 1100220089 is about 1032.3489573799.

The spelling of 1100220089 in words is "one billion, one hundred million, two hundred twenty thousand, eighty-nine".