2220001111123 has 2 divisors, whose sum is σ = 2220001111124. Its totient is φ = 2220001111122.

The previous prime is 2220001111087. The next prime is 2220001111171. The reversal of 2220001111123 is 3211111000222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220001111123 - 2⁹ = 2220001110611 is a prime.

It is a super-2 number, since 2×2220001111123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220001111097 and 2220001111106.

It is not a weakly prime, because it can be changed into another prime (2220001411123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110000555561 + 1110000555562.

It is an arithmetic number, because the mean of its divisors is an integer number (1110000555562).

Almost surely, 2^{2220001111123} is an apocalyptic number.

2220001111123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220001111123 is an equidigital number, since it uses as much as digits as its factorization.

2220001111123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2220001111123 its reverse (3211111000222), we get a palindrome (5431112111345).

The spelling of 2220001111123 in words is "two trillion, two hundred twenty billion, one million, one hundred eleven thousand, one hundred twenty-three".