2011111022211 has 16 divisors (see below), whose sum is σ = 2725528748448. Its totient is φ = 1318718419200.

The previous prime is 2011111022209. The next prime is 2011111022237. The reversal of 2011111022211 is 1122201111102.

It is a happy number.

It is not a de Polignac number, because 2011111022211 - 2¹ = 2011111022209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011111022281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6053065 + ... + 6376661.

It is an arithmetic number, because the mean of its divisors is an integer number (170345546778).

Almost surely, 2^{2011111022211} is an apocalyptic number.

2011111022211 is a deficient number, since it is larger than the sum of its proper divisors (714417726237).

2011111022211 is a wasteful number, since it uses less digits than its factorization.

2011111022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357622.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2011111022211 its reverse (1122201111102), we get a palindrome (3133312133313).

The spelling of 2011111022211 in words is "two trillion, eleven billion, one hundred eleven million, twenty-two thousand, two hundred eleven".