222022121323001 has 4 divisors (see below), whose sum is σ = 222022514646900. Its totient is φ = 222021727999104.

The previous prime is 222022121322997. The next prime is 222022121323091. The reversal of 222022121323001 is 100323121220222.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 72853735993600 + 149168385329401 = 8535440^2 + 12213451^2 .

It is a cyclic number.

It is not a de Polignac number, because 222022121323001 - 2² = 222022121322997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222022121323091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195814016 + ... + 196944593.

It is an arithmetic number, because the mean of its divisors is an integer number (55505628661725).

Almost surely, 2^{222022121323001} is an apocalyptic number.

It is an amenable number.

222022121323001 is a deficient number, since it is larger than the sum of its proper divisors (393323899).

222022121323001 is an equidigital number, since it uses as much as digits as its factorization.

222022121323001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393323898.

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

Adding to 222022121323001 its reverse (100323121220222), we get a palindrome (322345242543223).

The spelling of 222022121323001 in words is "two hundred twenty-two trillion, twenty-two billion, one hundred twenty-one million, three hundred twenty-three thousand, one".