2221002194141 has 2 divisors, whose sum is σ = 2221002194142. Its totient is φ = 2221002194140.

The previous prime is 2221002194071. The next prime is 2221002194167. The reversal of 2221002194141 is 1414912001222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1747541226916 + 473460967225 = 1321946^2 + 688085^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221002194141 - 2²² = 2220997999837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221002191141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110501097070 + 1110501097071.

It is an arithmetic number, because the mean of its divisors is an integer number (1110501097071).

Almost surely, 2^{2221002194141} is an apocalyptic number.

It is an amenable number.

2221002194141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221002194141 is an equidigital number, since it uses as much as digits as its factorization.

2221002194141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 2221002194141 its reverse (1414912001222), we get a palindrome (3635914195363).

The spelling of 2221002194141 in words is "two trillion, two hundred twenty-one billion, two million, one hundred ninety-four thousand, one hundred forty-one".