2222051111 has 8 divisors (see below), whose sum is σ = 2540734464. Its totient is φ = 1903679640.

The previous prime is 2222051107. The next prime is 2222051119. The reversal of 2222051111 is 1111502222.

2222051111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2222051111 - 2² = 2222051107 is a prime.

It is a super-2 number, since 2×2222051111² = 9875022279792668642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222051111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222051119) 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, 62495 + ... + 91376.

It is an arithmetic number, because the mean of its divisors is an integer number (317591808).

Almost surely, 2^2222051111 is an apocalyptic number.

2222051111 is a deficient number, since it is larger than the sum of its proper divisors (318683353).

2222051111 is a wasteful number, since it uses less digits than its factorization.

2222051111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155941.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 2222051111 is about 47138.6371355813. The cubic root of 2222051111 is about 1304.9223856406.

Adding to 2222051111 its reverse (1111502222), we get a palindrome (3333553333).

The spelling of 2222051111 in words is "two billion, two hundred twenty-two million, fifty-one thousand, one hundred eleven".