222110021123 has 2 divisors, whose sum is σ = 222110021124. Its totient is φ = 222110021122.

The previous prime is 222110021113. The next prime is 222110021179. The reversal of 222110021123 is 321120011222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222110021123 - 2¹⁸ = 222109758979 is a prime.

It is a super-3 number, since 3×222110021123³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (222110021113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055010561 + 111055010562.

It is an arithmetic number, because the mean of its divisors is an integer number (111055010562).

Almost surely, 2^222110021123 is an apocalyptic number.

222110021123 is a deficient number, since it is larger than the sum of its proper divisors (1).

222110021123 is an equidigital number, since it uses as much as digits as its factorization.

222110021123 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 222110021123 its reverse (321120011222), we get a palindrome (543230032345).

Subtracting 222110021123 from its reverse (321120011222), we obtain a palindrome (99009990099).

The spelling of 222110021123 in words is "two hundred twenty-two billion, one hundred ten million, twenty-one thousand, one hundred twenty-three".