11133223212091 has 2 divisors, whose sum is σ = 11133223212092. Its totient is φ = 11133223212090.

The previous prime is 11133223212019. The next prime is 11133223212103. The reversal of 11133223212091 is 19021232233111.

It is a happy number.

Together with previous prime (11133223212019) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11133223212091 - 2⁷ = 11133223211963 is a prime.

It is not a weakly prime, because it can be changed into another prime (11133223242091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566611606045 + 5566611606046.

It is an arithmetic number, because the mean of its divisors is an integer number (5566611606046).

Almost surely, 2^{11133223212091} is an apocalyptic number.

11133223212091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11133223212091 is an equidigital number, since it uses as much as digits as its factorization.

11133223212091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 11133223212091 in words is "eleven trillion, one hundred thirty-three billion, two hundred twenty-three million, two hundred twelve thousand, ninety-one".