23211111121199 has 2 divisors, whose sum is σ = 23211111121200. Its totient is φ = 23211111121198.

The previous prime is 23211111121171. The next prime is 23211111121229. The reversal of 23211111121199 is 99112111111232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23211111121199 - 2²⁸ = 23210842685743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23211111121139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605555560599 + 11605555560600.

It is an arithmetic number, because the mean of its divisors is an integer number (11605555560600).

Almost surely, 2^{23211111121199} is an apocalyptic number.

23211111121199 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211111121199 is an equidigital number, since it uses as much as digits as its factorization.

23211111121199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 35.

The spelling of 23211111121199 in words is "twenty-three trillion, two hundred eleven billion, one hundred eleven million, one hundred twenty-one thousand, one hundred ninety-nine".