2011222020011 has 4 divisors (see below), whose sum is σ = 2011268406000. Its totient is φ = 2011175634024.

The previous prime is 2011222019993. The next prime is 2011222020029. The reversal of 2011222020011 is 1100202221102.

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

It is an interprime number because it is at equal distance from previous prime (2011222019993) and next prime (2011222020029).

It is a cyclic number.

It is not a de Polignac number, because 2011222020011 - 2²² = 2011217825707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011222020061) 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, 23127896 + ... + 23214693.

It is an arithmetic number, because the mean of its divisors is an integer number (502817101500).

Almost surely, 2^{2011222020011} is an apocalyptic number.

2011222020011 is a deficient number, since it is larger than the sum of its proper divisors (46385989).

2011222020011 is an equidigital number, since it uses as much as digits as its factorization.

2011222020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46385988.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2011222020011 its reverse (1100202221102), we get a palindrome (3111424241113).

The spelling of 2011222020011 in words is "two trillion, eleven billion, two hundred twenty-two million, twenty thousand, eleven".