1111332111211 has 4 divisors (see below), whose sum is σ = 1270093841392. Its totient is φ = 952570381032.

The previous prime is 1111332111151. The next prime is 1111332111221. The reversal of 1111332111211 is 1121112331111.

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 1111332111211 - 2³¹ = 1109184627563 is a prime.

It is a super-2 number, since 2×1111332111211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111332111221) 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, 79380865080 + ... + 79380865093.

It is an arithmetic number, because the mean of its divisors is an integer number (317523460348).

Almost surely, 2^{1111332111211} is an apocalyptic number.

1111332111211 is a deficient number, since it is larger than the sum of its proper divisors (158761730181).

1111332111211 is an equidigital number, since it uses as much as digits as its factorization.

1111332111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158761730180.

The product of its digits is 36, while the sum is 19.

Adding to 1111332111211 its reverse (1121112331111), we get a palindrome (2232444442322).

The spelling of 1111332111211 in words is "one trillion, one hundred eleven billion, three hundred thirty-two million, one hundred eleven thousand, two hundred eleven".