222123000001 has 12 divisors (see below), whose sum is σ = 258411273840. Its totient is φ = 190373978760.

The previous prime is 222122999993. The next prime is 222123000013. The reversal of 222123000001 is 100000321222.

It is not a de Polignac number, because 222123000001 - 2³ = 222122999993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222123000061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360510 + ... + 757768.

It is an arithmetic number, because the mean of its divisors is an integer number (21534272820).

Almost surely, 2^222123000001 is an apocalyptic number.

It is an amenable number.

222123000001 is a deficient number, since it is larger than the sum of its proper divisors (36288273839).

222123000001 is a wasteful number, since it uses less digits than its factorization.

222123000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408684 (or 408677 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 222123000001 its reverse (100000321222), we get a palindrome (322123321223).

The spelling of 222123000001 in words is "two hundred twenty-two billion, one hundred twenty-three million, one", and thus it is an aban number.