222201120001121 has 8 divisors (see below), whose sum is σ = 235271936262024. Its totient is φ = 209130321756160.

The previous prime is 222201120001111. The next prime is 222201120001247. The reversal of 222201120001121 is 121100021102222.

It can be written as a sum of positive squares in 4 ways, for example, as 60595497744721 + 161605622256400 = 7784311^2 + 12712420^2 .

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 222201120001121 - 2⁶ = 222201120001057 is a prime.

It is a super-2 number, since 2×222201120001121² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222201120001121.

It is not an unprimeable number, because it can be changed into a prime (222201120001111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27308801 + ... + 34498881.

It is an arithmetic number, because the mean of its divisors is an integer number (29408992032753).

Almost surely, 2^{222201120001121} is an apocalyptic number.

It is an amenable number.

222201120001121 is a deficient number, since it is larger than the sum of its proper divisors (13070816260903).

222201120001121 is a wasteful number, since it uses less digits than its factorization.

222201120001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9007971.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222201120001121 its reverse (121100021102222), we get a palindrome (343301141103343).

The spelling of 222201120001121 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twenty million, one thousand, one hundred twenty-one".