2222222012201 has 4 divisors (see below), whose sum is σ = 2222232412500. Its totient is φ = 2222211611904.

The previous prime is 2222222012159. The next prime is 2222222012293. The reversal of 2222222012201 is 1022102222222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 736507240000 + 1485714772201 = 858200^2 + 1218899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222222012201 is a prime.

It is a super-2 number, since 2×2222222012201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222222012401) 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 3 ways as a sum of consecutive naturals, for example, 4872776 + ... + 5309273.

It is an arithmetic number, because the mean of its divisors is an integer number (555558103125).

Almost surely, 2^{2222222012201} is an apocalyptic number.

It is an amenable number.

2222222012201 is a deficient number, since it is larger than the sum of its proper divisors (10400299).

2222222012201 is a wasteful number, since it uses less digits than its factorization.

2222222012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400298.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2222222012201 its reverse (1022102222222), we get a palindrome (3244324234423).

The spelling of 2222222012201 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, twelve thousand, two hundred one".