11100120221999 has 2 divisors, whose sum is σ = 11100120222000. Its totient is φ = 11100120221998.

The previous prime is 11100120221947. The next prime is 11100120222073. The reversal of 11100120221999 is 99912202100111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100120221999 is a prime.

It is a super-2 number, since 2×11100120221999² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100120221909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550060110999 + 5550060111000.

It is an arithmetic number, because the mean of its divisors is an integer number (5550060111000).

Almost surely, 2^{11100120221999} is an apocalyptic number.

11100120221999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100120221999 is an equidigital number, since it uses as much as digits as its factorization.

11100120221999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 11100120221999 in words is "eleven trillion, one hundred billion, one hundred twenty million, two hundred twenty-one thousand, nine hundred ninety-nine".