11010221197 has 2 divisors, whose sum is σ = 11010221198. Its totient is φ = 11010221196.

The previous prime is 11010221143. The next prime is 11010221227. The reversal of 11010221197 is 79112201011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7904276836 + 3105944361 = 88906^2 + 55731^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010221197 - 2⁷ = 11010221069 is a prime.

It is a super-2 number, since 2×11010221197² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11010225197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505110598 + 5505110599.

It is an arithmetic number, because the mean of its divisors is an integer number (5505110599).

Almost surely, 2^11010221197 is an apocalyptic number.

It is an amenable number.

11010221197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010221197 is an equidigital number, since it uses as much as digits as its factorization.

11010221197 is an evil number, because the sum of its binary digits is even.

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

The spelling of 11010221197 in words is "eleven billion, ten million, two hundred twenty-one thousand, one hundred ninety-seven".