222100221122141 has 2 divisors, whose sum is σ = 222100221122142. Its totient is φ = 222100221122140.

The previous prime is 222100221122111. The next prime is 222100221122173. The reversal of 222100221122141 is 141221122001222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123684892919641 + 98415328202500 = 11121371^2 + 9920450^2 .

It is a cyclic number.

It is not a de Polignac number, because 222100221122141 - 2³⁰ = 222099147380317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222100221122111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050110561070 + 111050110561071.

It is an arithmetic number, because the mean of its divisors is an integer number (111050110561071).

Almost surely, 2^{222100221122141} is an apocalyptic number.

It is an amenable number.

222100221122141 is a deficient number, since it is larger than the sum of its proper divisors (1).

222100221122141 is an equidigital number, since it uses as much as digits as its factorization.

222100221122141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 222100221122141 its reverse (141221122001222), we get a palindrome (363321343123363).

The spelling of 222100221122141 in words is "two hundred twenty-two trillion, one hundred billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred forty-one".