11222100689 has 2 divisors, whose sum is σ = 11222100690. Its totient is φ = 11222100688.

The previous prime is 11222100671. The next prime is 11222100727. The reversal of 11222100689 is 98600122211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8815707664 + 2406393025 = 93892^2 + 49055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222100689 is a prime.

It is not a weakly prime, because it can be changed into another prime (11222100649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611050344 + 5611050345.

It is an arithmetic number, because the mean of its divisors is an integer number (5611050345).

Almost surely, 2^11222100689 is an apocalyptic number.

It is an amenable number.

11222100689 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222100689 is an equidigital number, since it uses as much as digits as its factorization.

11222100689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 11222100689 in words is "eleven billion, two hundred twenty-two million, one hundred thousand, six hundred eighty-nine".