22221100001123 has 2 divisors, whose sum is σ = 22221100001124. Its totient is φ = 22221100001122.

The previous prime is 22221100001047. The next prime is 22221100001131. The reversal of 22221100001123 is 32110000112222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22221100001123 - 2¹² = 22221099997027 is a prime.

It is a super-2 number, since 2×22221100001123² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22221100001173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110550000561 + 11110550000562.

It is an arithmetic number, because the mean of its divisors is an integer number (11110550000562).

Almost surely, 2^{22221100001123} is an apocalyptic number.

22221100001123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221100001123 is an equidigital number, since it uses as much as digits as its factorization.

22221100001123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22221100001123 its reverse (32110000112222), we get a palindrome (54331100113345).

The spelling of 22221100001123 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred million, one thousand, one hundred twenty-three".