222023001121 has 4 divisors (see below), whose sum is σ = 222113000752. Its totient is φ = 221933001492.

The previous prime is 222023001113. The next prime is 222023001181. The reversal of 222023001121 is 121100320222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222023001121 - 2³ = 222023001113 is a prime.

It is a super-3 number, since 3×222023001121³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222023001095 and 222023001104.

It is not an unprimeable number, because it can be changed into a prime (222023001181) 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, 44996115 + ... + 45001048.

It is an arithmetic number, because the mean of its divisors is an integer number (55528250188).

Almost surely, 2^222023001121 is an apocalyptic number.

It is an amenable number.

222023001121 is a deficient number, since it is larger than the sum of its proper divisors (89999631).

222023001121 is an equidigital number, since it uses as much as digits as its factorization.

222023001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89999630.

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

Adding to 222023001121 its reverse (121100320222), we get a palindrome (343123321343).

The spelling of 222023001121 in words is "two hundred twenty-two billion, twenty-three million, one thousand, one hundred twenty-one".