222210121123 has 2 divisors, whose sum is σ = 222210121124. Its totient is φ = 222210121122.

The previous prime is 222210121093. The next prime is 222210121157. The reversal of 222210121123 is 321121012222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222210121123 - 2²¹ = 222208023971 is a prime.

It is a super-2 number, since 2×222210121123² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222210121123.

It is not a weakly prime, because it can be changed into another prime (222210121163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105060561 + 111105060562.

It is an arithmetic number, because the mean of its divisors is an integer number (111105060562).

Almost surely, 2^222210121123 is an apocalyptic number.

222210121123 is a deficient number, since it is larger than the sum of its proper divisors (1).

222210121123 is an equidigital number, since it uses as much as digits as its factorization.

222210121123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 222210121123 its reverse (321121012222), we get a palindrome (543331133345).

The spelling of 222210121123 in words is "two hundred twenty-two billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty-three".