22021212212141 has 2 divisors, whose sum is σ = 22021212212142. Its totient is φ = 22021212212140.

The previous prime is 22021212212093. The next prime is 22021212212161. The reversal of 22021212212141 is 14121221212022.

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., 11192202975625 + 10829009236516 = 3345475^2 + 3290746^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021212212141 - 2¹⁴ = 22021212195757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021212212161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010606106070 + 11010606106071.

It is an arithmetic number, because the mean of its divisors is an integer number (11010606106071).

Almost surely, 2^{22021212212141} is an apocalyptic number.

It is an amenable number.

22021212212141 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021212212141 is an equidigital number, since it uses as much as digits as its factorization.

22021212212141 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22021212212141 its reverse (14121221212022), we get a palindrome (36142433424163).

The spelling of 22021212212141 in words is "twenty-two trillion, twenty-one billion, two hundred twelve million, two hundred twelve thousand, one hundred forty-one".