222200111121 has 8 divisors (see below), whose sum is σ = 296785673184. Its totient is φ = 147873978240.

The previous prime is 222200111099. The next prime is 222200111173. The reversal of 222200111121 is 121111002222.

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

It is not a de Polignac number, because 222200111121 - 2⁶ = 222200111057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222200111121.

It is not an unprimeable number, because it can be changed into a prime (222200111521) 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, 64855296 + ... + 64858721.

It is an arithmetic number, because the mean of its divisors is an integer number (37098209148).

Almost surely, 2^222200111121 is an apocalyptic number.

It is an amenable number.

222200111121 is a deficient number, since it is larger than the sum of its proper divisors (74585562063).

222200111121 is a wasteful number, since it uses less digits than its factorization.

222200111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129714591.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222200111121 its reverse (121111002222), we get a palindrome (343311113343).

The spelling of 222200111121 in words is "two hundred twenty-two billion, two hundred million, one hundred eleven thousand, one hundred twenty-one".