1111210212011 has 4 divisors (see below), whose sum is σ = 1111214038224. Its totient is φ = 1111206385800.

The previous prime is 1111210211987. The next prime is 1111210212023. The reversal of 1111210212011 is 1102120121111.

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 1111210212011 - 2¹⁸ = 1111209949867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111210212071) 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 3 ways as a sum of consecutive naturals, for example, 1438175 + ... + 2071416.

It is an arithmetic number, because the mean of its divisors is an integer number (277803509556).

Almost surely, 2^{1111210212011} is an apocalyptic number.

1111210212011 is a deficient number, since it is larger than the sum of its proper divisors (3826213).

1111210212011 is an equidigital number, since it uses as much as digits as its factorization.

1111210212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826212.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1111210212011 its reverse (1102120121111), we get a palindrome (2213330333122).

The spelling of 1111210212011 in words is "one trillion, one hundred eleven billion, two hundred ten million, two hundred twelve thousand, eleven".