2011330222111 has 32 divisors (see below), whose sum is σ = 2321879459328. Its totient is φ = 1706679262080.

The previous prime is 2011330222103. The next prime is 2011330222117. The reversal of 2011330222111 is 1112220331102.

It is a cyclic number.

It is not a de Polignac number, because 2011330222111 - 2³ = 2011330222103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011330222117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353295981 + ... + 353301673.

It is an arithmetic number, because the mean of its divisors is an integer number (72558733104).

Almost surely, 2^{2011330222111} is an apocalyptic number.

2011330222111 is a deficient number, since it is larger than the sum of its proper divisors (310549237217).

2011330222111 is a wasteful number, since it uses less digits than its factorization.

2011330222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6991.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2011330222111 its reverse (1112220331102), we get a palindrome (3123550553213).

It can be divided in two parts, 2011330 and 222111, that added together give a triangular number (2233441 = T₂₁₁₃).

The spelling of 2011330222111 in words is "two trillion, eleven billion, three hundred thirty million, two hundred twenty-two thousand, one hundred eleven".