2220222201111 has 24 divisors (see below), whose sum is σ = 3326998147200. Its totient is φ = 1479599290872.

The previous prime is 2220222201107. The next prime is 2220222201143. The reversal of 2220222201111 is 1111022220222.

It is a happy number.

It is not a de Polignac number, because 2220222201111 - 2² = 2220222201107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220222201161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1036755 + ... + 2348468.

It is an arithmetic number, because the mean of its divisors is an integer number (138624922800).

Almost surely, 2^{2220222201111} is an apocalyptic number.

2220222201111 is a deficient number, since it is larger than the sum of its proper divisors (1106775946089).

2220222201111 is an equidigital number, since it uses as much as digits as its factorization.

2220222201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387937 (or 3387925 counting only the distinct ones).

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

Adding to 2220222201111 its reverse (1111022220222), we get a palindrome (3331244421333).

The spelling of 2220222201111 in words is "two trillion, two hundred twenty billion, two hundred twenty-two million, two hundred one thousand, one hundred eleven".