222211002320123 has 4 divisors (see below), whose sum is σ = 222211347548160. Its totient is φ = 222210657092088.

The previous prime is 222211002320051. The next prime is 222211002320129. The reversal of 222211002320123 is 321023200112222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222211002320123 - 2¹⁶ = 222211002254587 is a prime.

It is a super-2 number, since 2×222211002320123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222211002320129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171646715 + ... + 172936452.

It is an arithmetic number, because the mean of its divisors is an integer number (55552836887040).

Almost surely, 2^{222211002320123} is an apocalyptic number.

222211002320123 is a deficient number, since it is larger than the sum of its proper divisors (345228037).

222211002320123 is an equidigital number, since it uses as much as digits as its factorization.

222211002320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345228036.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 222211002320123 its reverse (321023200112222), we get a palindrome (543234202432345).

The spelling of 222211002320123 in words is "two hundred twenty-two trillion, two hundred eleven billion, two million, three hundred twenty thousand, one hundred twenty-three".