22221112141 has 2 divisors, whose sum is σ = 22221112142. Its totient is φ = 22221112140.

The previous prime is 22221112117. The next prime is 22221112157. The reversal of 22221112141 is 14121112222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18701656516 + 3519455625 = 136754^2 + 59325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22221112141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221110141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110556070 + 11110556071.

It is an arithmetic number, because the mean of its divisors is an integer number (11110556071).

Almost surely, 2^22221112141 is an apocalyptic number.

It is an amenable number.

22221112141 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221112141 is an equidigital number, since it uses as much as digits as its factorization.

22221112141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128, while the sum is 19.

Adding to 22221112141 its reverse (14121112222), we get a palindrome (36342224363).

The spelling of 22221112141 in words is "twenty-two billion, two hundred twenty-one million, one hundred twelve thousand, one hundred forty-one".