2220001111111 has 8 divisors (see below), whose sum is σ = 2539941426560. Its totient is φ = 1900760120568.

The previous prime is 2220001111087. The next prime is 2220001111123. The reversal of 2220001111111 is 1111111000222.

It is a happy number.

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 2220001111111 - 2¹⁵ = 2220001078343 is a prime.

It is a Duffinian number.

2220001111111 is a modest number, since divided by 1111111 gives 222000 as remainder.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2220001111091 and 2220001111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220001111171) 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, 174824421 + ... + 174837118.

It is an arithmetic number, because the mean of its divisors is an integer number (317492678320).

Almost surely, 2^{2220001111111} is an apocalyptic number.

2220001111111 is a deficient number, since it is larger than the sum of its proper divisors (319940315449).

2220001111111 is an equidigital number, since it uses as much as digits as its factorization.

2220001111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349662453.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2220001111111 its reverse (1111111000222), we get a palindrome (3331112111333).

The spelling of 2220001111111 in words is "two trillion, two hundred twenty billion, one million, one hundred eleven thousand, one hundred eleven".