1011102221117 has 2 divisors, whose sum is σ = 1011102221118. Its totient is φ = 1011102221116.

The previous prime is 1011102221089. The next prime is 1011102221159. The reversal of 1011102221117 is 7111222011101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1010063190361 + 1039030756 = 1005019^2 + 32234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011102221117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011102227117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505551110558 + 505551110559.

It is an arithmetic number, because the mean of its divisors is an integer number (505551110559).

Almost surely, 2^{1011102221117} is an apocalyptic number.

It is an amenable number.

1011102221117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011102221117 is an equidigital number, since it uses as much as digits as its factorization.

1011102221117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 1011102221117 its reverse (7111222011101), we get a palindrome (8122324232218).

The spelling of 1011102221117 in words is "one trillion, eleven billion, one hundred two million, two hundred twenty-one thousand, one hundred seventeen".