222201000121 has 8 divisors (see below), whose sum is σ = 225817300224. Its totient is φ = 218598219840.

The previous prime is 222201000083. The next prime is 222201000157. The reversal of 222201000121 is 121000102222.

It is a happy number.

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 222201000121 - 2¹¹ = 222200998073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222201000221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3346816 + ... + 3412561.

It is an arithmetic number, because the mean of its divisors is an integer number (28227162528).

Almost surely, 2^222201000121 is an apocalyptic number.

It is an amenable number.

222201000121 is a deficient number, since it is larger than the sum of its proper divisors (3616300103).

222201000121 is an equidigital number, since it uses as much as digits as its factorization.

222201000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6759911.

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

Adding to 222201000121 its reverse (121000102222), we get a palindrome (343201102343).

The spelling of 222201000121 in words is "two hundred twenty-two billion, two hundred one million, one hundred twenty-one", and thus it is an aban number.