2222111220201 has 16 divisors (see below), whose sum is σ = 3292421025600. Its totient is φ = 1481225498784.

The previous prime is 2222111220163. The next prime is 2222111220209. The reversal of 2222111220201 is 1020221112222.

It is a happy number.

2222111220201 is a `hidden beast` number, since 22 + 221 + 1 + 1 + 220 + 201 = 666.

It is not a de Polignac number, because 2222111220201 - 2¹⁹ = 2222110695913 is a prime.

It is a super-2 number, since 2×2222111220201² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2222111220209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4830996 + ... + 5270933.

It is an arithmetic number, because the mean of its divisors is an integer number (205776314100).

Almost surely, 2^{2222111220201} is an apocalyptic number.

It is an amenable number.

2222111220201 is a deficient number, since it is larger than the sum of its proper divisors (1070309805399).

2222111220201 is a wasteful number, since it uses less digits than its factorization.

2222111220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110085 (or 10110079 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2222111220201 its reverse (1020221112222), we get a palindrome (3242332332423).

The spelling of 2222111220201 in words is "two trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty thousand, two hundred one".