1111012211211 has 32 divisors (see below), whose sum is σ = 1799221455360. Its totient is φ = 595297860096.

The previous prime is 1111012211209. The next prime is 1111012211237. The reversal of 1111012211211 is 1121122101111.

It is not a de Polignac number, because 1111012211211 - 2¹ = 1111012211209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111012211261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5688501 + ... + 5880566.

It is an arithmetic number, because the mean of its divisors is an integer number (56225670480).

Almost surely, 2^{1111012211211} is an apocalyptic number.

1111012211211 is a deficient number, since it is larger than the sum of its proper divisors (688209244149).

1111012211211 is a wasteful number, since it uses less digits than its factorization.

1111012211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11569363.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1111012211211 its reverse (1121122101111), we get a palindrome (2232134312322).

The spelling of 1111012211211 in words is "one trillion, one hundred eleven billion, twelve million, two hundred eleven thousand, two hundred eleven".