222123021001 has 8 divisors (see below), whose sum is σ = 253892885760. Its totient is φ = 190362657408.

The previous prime is 222123020989. The next prime is 222123021007. The reversal of 222123021001 is 100120321222.

It is a happy number.

222123021001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222123021001 - 2²⁵ = 222089466569 is a prime.

It is a super-2 number, since 2×222123021001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222123021007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2325121 + ... + 2418766.

It is an arithmetic number, because the mean of its divisors is an integer number (31736610720).

Almost surely, 2^222123021001 is an apocalyptic number.

It is an amenable number.

222123021001 is a deficient number, since it is larger than the sum of its proper divisors (31769864759).

222123021001 is an equidigital number, since it uses as much as digits as its factorization.

222123021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750583.

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

Adding to 222123021001 its reverse (100120321222), we get a palindrome (322243342223).

The spelling of 222123021001 in words is "two hundred twenty-two billion, one hundred twenty-three million, twenty-one thousand, one".