2211012211111 has 48 divisors (see below), whose sum is σ = 2469843107424. Its totient is φ = 1977592320000.

The previous prime is 2211012211103. The next prime is 2211012211147. The reversal of 2211012211111 is 1111122101122.

It is not a de Polignac number, because 2211012211111 - 2³ = 2211012211103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211012211181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1624549071 + ... + 1624550431.

It is an arithmetic number, because the mean of its divisors is an integer number (51455064738).

Almost surely, 2^{2211012211111} is an apocalyptic number.

2211012211111 is a deficient number, since it is larger than the sum of its proper divisors (258830896313).

2211012211111 is a wasteful number, since it uses less digits than its factorization.

2211012211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224 (or 2213 counting only the distinct ones).

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

Adding to 2211012211111 its reverse (1111122101122), we get a palindrome (3322134312233).

It can be divided in two parts, 22110 and 12211111, that added together give a palindrome (12233221).

The spelling of 2211012211111 in words is "two trillion, two hundred eleven billion, twelve million, two hundred eleven thousand, one hundred eleven".