22110221121047 has 2 divisors, whose sum is σ = 22110221121048. Its totient is φ = 22110221121046.

The previous prime is 22110221121019. The next prime is 22110221121127. The reversal of 22110221121047 is 74012112201122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22110221121047 - 2¹⁴ = 22110221104663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22110221123047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055110560523 + 11055110560524.

It is an arithmetic number, because the mean of its divisors is an integer number (11055110560524).

Almost surely, 2^{22110221121047} is an apocalyptic number.

22110221121047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110221121047 is an equidigital number, since it uses as much as digits as its factorization.

22110221121047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 22110221121047 its reverse (74012112201122), we get a palindrome (96122333322169).

The spelling of 22110221121047 in words is "twenty-two trillion, one hundred ten billion, two hundred twenty-one million, one hundred twenty-one thousand, forty-seven".