1111000211211 has 16 divisors (see below), whose sum is σ = 1616483288448. Its totient is φ = 673132219200.

The previous prime is 1111000211203. The next prime is 1111000211239. The reversal of 1111000211211 is 1121120001111.

It is not a de Polignac number, because 1111000211211 - 2³ = 1111000211203 is a prime.

It is a super-2 number, since 2×1111000211211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1111000211291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4918930 + ... + 5139831.

It is an arithmetic number, because the mean of its divisors is an integer number (101030205528).

Almost surely, 2^{1111000211211} is an apocalyptic number.

1111000211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111000211211 is a deficient number, since it is larger than the sum of its proper divisors (505483077237).

1111000211211 is a wasteful number, since it uses less digits than its factorization.

1111000211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10062122.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1111000211211 its reverse (1121120001111), we get a palindrome (2232120212322).

The spelling of 1111000211211 in words is "one trillion, one hundred eleven billion, two hundred eleven thousand, two hundred eleven".