11201001211091 has 2 divisors, whose sum is σ = 11201001211092. Its totient is φ = 11201001211090.

The previous prime is 11201001211087. The next prime is 11201001211093. The reversal of 11201001211091 is 19011210010211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11201001211091 - 2² = 11201001211087 is a prime.

Together with 11201001211093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11201001211093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600500605545 + 5600500605546.

It is an arithmetic number, because the mean of its divisors is an integer number (5600500605546).

Almost surely, 2^{11201001211091} is an apocalyptic number.

11201001211091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201001211091 is an equidigital number, since it uses as much as digits as its factorization.

11201001211091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 11201001211091 in words is "eleven trillion, two hundred one billion, one million, two hundred eleven thousand, ninety-one".