20113111132099 has 2 divisors, whose sum is σ = 20113111132100. Its totient is φ = 20113111132098.

The previous prime is 20113111132087. The next prime is 20113111132141. The reversal of 20113111132099 is 99023111131102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20113111132099 - 2⁵ = 20113111132067 is a prime.

It is not a weakly prime, because it can be changed into another prime (20113111132999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056555566049 + 10056555566050.

It is an arithmetic number, because the mean of its divisors is an integer number (10056555566050).

Almost surely, 2^{20113111132099} is an apocalyptic number.

20113111132099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113111132099 is an equidigital number, since it uses as much as digits as its factorization.

20113111132099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 20113111132099 in words is "twenty trillion, one hundred thirteen billion, one hundred eleven million, one hundred thirty-two thousand, ninety-nine".