11198901211 has 2 divisors, whose sum is σ = 11198901212. Its totient is φ = 11198901210.

The previous prime is 11198901173. The next prime is 11198901247. The reversal of 11198901211 is 11210989111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11198901211 - 2⁷ = 11198901083 is a prime.

It is not a weakly prime, because it can be changed into another prime (11198901251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599450605 + 5599450606.

It is an arithmetic number, because the mean of its divisors is an integer number (5599450606).

Almost surely, 2^11198901211 is an apocalyptic number.

11198901211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11198901211 is an equidigital number, since it uses as much as digits as its factorization.

11198901211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 34.

The spelling of 11198901211 in words is "eleven billion, one hundred ninety-eight million, nine hundred one thousand, two hundred eleven".