222201110121 has 8 divisors (see below), whose sum is σ = 296389727424. Its totient is φ = 148073283120.

The previous prime is 222201110077. The next prime is 222201110233. The reversal of 222201110121 is 121011102222.

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

It is not a de Polignac number, because 222201110121 - 2¹⁸ = 222200847977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222201110121.

It is not an unprimeable number, because it can be changed into a prime (222201110921) 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, 15189045 + ... + 15203666.

It is an arithmetic number, because the mean of its divisors is an integer number (37048715928).

Almost surely, 2^222201110121 is an apocalyptic number.

It is an amenable number.

222201110121 is a deficient number, since it is larger than the sum of its proper divisors (74188617303).

222201110121 is a wasteful number, since it uses less digits than its factorization.

222201110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30395151.

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

Adding to 222201110121 its reverse (121011102222), we get a palindrome (343212212343).

The spelling of 222201110121 in words is "two hundred twenty-two billion, two hundred one million, one hundred ten thousand, one hundred twenty-one".