11012210197 has 4 divisors (see below), whose sum is σ = 11367442816. Its totient is φ = 10656977580.

The previous prime is 11012210179. The next prime is 11012210201. The reversal of 11012210197 is 79101221011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012210197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012210177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177616263 + ... + 177616324.

It is an arithmetic number, because the mean of its divisors is an integer number (2841860704).

Almost surely, 2^11012210197 is an apocalyptic number.

It is an amenable number.

11012210197 is a deficient number, since it is larger than the sum of its proper divisors (355232619).

11012210197 is an equidigital number, since it uses as much as digits as its factorization.

11012210197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355232618.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 11012210197 in words is "eleven billion, twelve million, two hundred ten thousand, one hundred ninety-seven".