1102221009689 has 2 divisors, whose sum is σ = 1102221009690. Its totient is φ = 1102221009688.

The previous prime is 1102221009649. The next prime is 1102221009697. The reversal of 1102221009689 is 9869001222011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1056510569689 + 45710440000 = 1027867^2 + 213800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102221009689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102221009649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551110504844 + 551110504845.

It is an arithmetic number, because the mean of its divisors is an integer number (551110504845).

Almost surely, 2^{1102221009689} is an apocalyptic number.

It is an amenable number.

1102221009689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102221009689 is an equidigital number, since it uses as much as digits as its factorization.

1102221009689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 1102221009689 in words is "one trillion, one hundred two billion, two hundred twenty-one million, nine thousand, six hundred eighty-nine".