22121024411441 has 2 divisors, whose sum is σ = 22121024411442. Its totient is φ = 22121024411440.

The previous prime is 22121024411417. The next prime is 22121024411443. The reversal of 22121024411441 is 14411442012122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20273406760000 + 1847617651441 = 4502600^2 + 1359271^2 .

It is a cyclic number.

It is not a de Polignac number, because 22121024411441 - 2¹⁰ = 22121024410417 is a prime.

Together with 22121024411443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22121024411443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060512205720 + 11060512205721.

It is an arithmetic number, because the mean of its divisors is an integer number (11060512205721).

Almost surely, 2^{22121024411441} is an apocalyptic number.

It is an amenable number.

22121024411441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121024411441 is an equidigital number, since it uses as much as digits as its factorization.

22121024411441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 29.

Adding to 22121024411441 its reverse (14411442012122), we get a palindrome (36532466423563).

The spelling of 22121024411441 in words is "twenty-two trillion, one hundred twenty-one billion, twenty-four million, four hundred eleven thousand, four hundred forty-one".