222002001121 has 8 divisors (see below), whose sum is σ = 223377013440. Its totient is φ = 220627148112.

The previous prime is 222002001107. The next prime is 222002001167. The reversal of 222002001121 is 121100200222.

It is a happy number.

222002001121 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 a cyclic number.

It is not a de Polignac number, because 222002001121 - 2²¹ = 221999903969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222002001181) 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, 4045956 + ... + 4100458.

It is an arithmetic number, because the mean of its divisors is an integer number (27922126680).

Almost surely, 2^222002001121 is an apocalyptic number.

It is an amenable number.

222002001121 is a deficient number, since it is larger than the sum of its proper divisors (1375012319).

222002001121 is a wasteful number, since it uses less digits than its factorization.

222002001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79655.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222002001121 its reverse (121100200222), we get a palindrome (343102201343).

The spelling of 222002001121 in words is "two hundred twenty-two billion, two million, one thousand, one hundred twenty-one".