11191297022 has 8 divisors (see below), whose sum is σ = 16806089496. Its totient is φ = 5589267192.

The previous prime is 11191297009. The next prime is 11191297037. The reversal of 11191297022 is 22079219111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3188468 + ... + 3191975.

It is an arithmetic number, because the mean of its divisors is an integer number (2100761187).

Almost surely, 2^11191297022 is an apocalyptic number.

11191297022 is a deficient number, since it is larger than the sum of its proper divisors (5614792474).

11191297022 is an equidigital number, since it uses as much as digits as its factorization.

11191297022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381322.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 11191297022 in words is "eleven billion, one hundred ninety-one million, two hundred ninety-seven thousand, twenty-two".