221112011219941 has 2 divisors, whose sum is σ = 221112011219942. Its totient is φ = 221112011219940.

The previous prime is 221112011219921. The next prime is 221112011219977. The reversal of 221112011219941 is 149912110211122.

221112011219941 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 can be written as a sum of positive squares in only one way, i.e., 200568192084100 + 20543819135841 = 14162210^2 + 4532529^2 .

It is a cyclic number.

It is not a de Polignac number, because 221112011219941 - 2²⁷ = 221111877002213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221112011219941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221112011219921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110556005609970 + 110556005609971.

It is an arithmetic number, because the mean of its divisors is an integer number (110556005609971).

Almost surely, 2^{221112011219941} is an apocalyptic number.

It is an amenable number.

221112011219941 is a deficient number, since it is larger than the sum of its proper divisors (1).

221112011219941 is an equidigital number, since it uses as much as digits as its factorization.

221112011219941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 37.

The spelling of 221112011219941 in words is "two hundred twenty-one trillion, one hundred twelve billion, eleven million, two hundred nineteen thousand, nine hundred forty-one".