2011220021111 has 8 divisors (see below), whose sum is σ = 2308662883200. Its totient is φ = 1716308588088.

The previous prime is 2011220021101. The next prime is 2011220021149. The reversal of 2011220021111 is 1111200221102.

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 2011220021111 - 2³⁰ = 2010146279287 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 (2011220021101) 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, 632855561 + ... + 632858738.

It is an arithmetic number, because the mean of its divisors is an integer number (288582860400).

Almost surely, 2^{2011220021111} is an apocalyptic number.

2011220021111 is a deficient number, since it is larger than the sum of its proper divisors (297442862089).

2011220021111 is a wasteful number, since it uses less digits than its factorization.

2011220021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265714533.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2011220021111 its reverse (1111200221102), we get a palindrome (3122420242213).

The spelling of 2011220021111 in words is "two trillion, eleven billion, two hundred twenty million, twenty-one thousand, one hundred eleven".