11021110957 has 2 divisors, whose sum is σ = 11021110958. Its totient is φ = 11021110956.

The previous prime is 11021110937. The next prime is 11021111009. The reversal of 11021110957 is 75901112011.

11021110957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7846239241 + 3174871716 = 88579^2 + 56346^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021110957 - 2²⁷ = 10886893229 is a prime.

It is a super-3 number, since 3×11021110957³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021110937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510555478 + 5510555479.

It is an arithmetic number, because the mean of its divisors is an integer number (5510555479).

Almost surely, 2^11021110957 is an apocalyptic number.

It is an amenable number.

11021110957 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021110957 is an equidigital number, since it uses as much as digits as its factorization.

11021110957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 28.

Adding to 11021110957 its reverse (75901112011), we get a palindrome (86922222968).

The spelling of 11021110957 in words is "eleven billion, twenty-one million, one hundred ten thousand, nine hundred fifty-seven".