2011022112011 has 4 divisors (see below), whose sum is σ = 2193842304024. Its totient is φ = 1828201920000.

The previous prime is 2011022111983. The next prime is 2011022112049. The reversal of 2011022112011 is 1102112201102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011022112011 - 2¹⁴ = 2011022095627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011022112811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91410095990 + ... + 91410096011.

It is an arithmetic number, because the mean of its divisors is an integer number (548460576006).

Almost surely, 2^{2011022112011} is an apocalyptic number.

2011022112011 is a deficient number, since it is larger than the sum of its proper divisors (182820192013).

2011022112011 is a wasteful number, since it uses less digits than its factorization.

2011022112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182820192012.

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

Adding to 2011022112011 its reverse (1102112201102), we get a palindrome (3113134313113).

The spelling of 2011022112011 in words is "two trillion, eleven billion, twenty-two million, one hundred twelve thousand, eleven".