2211000020111 has 12 divisors (see below), whose sum is σ = 2311501900512. Its totient is φ = 2114694031296.

The previous prime is 2211000020059. The next prime is 2211000020113. The reversal of 2211000020111 is 1110200001122.

It is not a de Polignac number, because 2211000020111 - 2¹⁰ = 2211000019087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211000020092 and 2211000020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211000020113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6443690 + ... + 6778136.

It is an arithmetic number, because the mean of its divisors is an integer number (192625158376).

Almost surely, 2^{2211000020111} is an apocalyptic number.

2211000020111 is a deficient number, since it is larger than the sum of its proper divisors (100501880401).

2211000020111 is a wasteful number, since it uses less digits than its factorization.

2211000020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346990 (or 346967 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2211000020111 its reverse (1110200001122), we get a palindrome (3321200021233).

The spelling of 2211000020111 in words is "two trillion, two hundred eleven billion, twenty thousand, one hundred eleven".