11120202211991 has 2 divisors, whose sum is σ = 11120202211992. Its totient is φ = 11120202211990.

The previous prime is 11120202211931. The next prime is 11120202212003. The reversal of 11120202211991 is 19911220202111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11120202211991 - 2⁶ = 11120202211927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11120202211931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560101105995 + 5560101105996.

It is an arithmetic number, because the mean of its divisors is an integer number (5560101105996).

Almost surely, 2^{11120202211991} is an apocalyptic number.

11120202211991 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120202211991 is an equidigital number, since it uses as much as digits as its factorization.

11120202211991 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 32.

The spelling of 11120202211991 in words is "eleven trillion, one hundred twenty billion, two hundred two million, two hundred eleven thousand, nine hundred ninety-one".