221100121101199 has 2 divisors, whose sum is σ = 221100121101200. Its totient is φ = 221100121101198.

The previous prime is 221100121101187. The next prime is 221100121101239. The reversal of 221100121101199 is 991101121001122.

221100121101199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221100121101199 - 2⁴³ = 212304028078991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221100121101199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221100121101149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550060550599 + 110550060550600.

It is an arithmetic number, because the mean of its divisors is an integer number (110550060550600).

Almost surely, 2^{221100121101199} is an apocalyptic number.

221100121101199 is a deficient number, since it is larger than the sum of its proper divisors (1).

221100121101199 is an equidigital number, since it uses as much as digits as its factorization.

221100121101199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 221100121101199 in words is "two hundred twenty-one trillion, one hundred billion, one hundred twenty-one million, one hundred one thousand, one hundred ninety-nine".