11000221297 has 16 divisors (see below), whose sum is σ = 12547014480. Its totient is φ = 9553876992.

The previous prime is 11000221279. The next prime is 11000221313. The reversal of 11000221297 is 79212200011.

11000221297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1594325041 + 9405896256 = 39929^2 + 96984^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000221297 - 2²⁷ = 10866003569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11000221237) 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 in 15 ways as a sum of consecutive naturals, for example, 1094029 + ... + 1104037.

It is an arithmetic number, because the mean of its divisors is an integer number (784188405).

Almost surely, 2^11000221297 is an apocalyptic number.

11000221297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11000221297 is a deficient number, since it is larger than the sum of its proper divisors (1546793183).

11000221297 is a wasteful number, since it uses less digits than its factorization.

11000221297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15012.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 11000221297 in words is "eleven billion, two hundred twenty-one thousand, two hundred ninety-seven".