222210100123 has 16 divisors (see below), whose sum is σ = 252988862976. Its totient is φ = 193196967040.

The previous prime is 222210100111. The next prime is 222210100127. The reversal of 222210100123 is 321001012222.

It is a happy number.

It is not a de Polignac number, because 222210100123 - 2¹³ = 222210091931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222210100097 and 222210100106.

It is not an unprimeable number, because it can be changed into a prime (222210100127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1703811 + ... + 1829587.

It is an arithmetic number, because the mean of its divisors is an integer number (15811803936).

Almost surely, 2^222210100123 is an apocalyptic number.

222210100123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

222210100123 is a deficient number, since it is larger than the sum of its proper divisors (30778762853).

222210100123 is a wasteful number, since it uses less digits than its factorization.

222210100123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132794.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 222210100123 its reverse (321001012222), we get a palindrome (543211112345).

The spelling of 222210100123 in words is "two hundred twenty-two billion, two hundred ten million, one hundred thousand, one hundred twenty-three".