1111022211211 has 8 divisors (see below), whose sum is σ = 1212610057200. Its totient is φ = 1009532003040.

The previous prime is 1111022211203. The next prime is 1111022211269. The reversal of 1111022211211 is 1121122201111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111022211211 - 2³ = 1111022211203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111022211511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24385656 + ... + 24431173.

It is an arithmetic number, because the mean of its divisors is an integer number (151576257150).

Almost surely, 2^{1111022211211} is an apocalyptic number.

1111022211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111022211211 is a deficient number, since it is larger than the sum of its proper divisors (101587845989).

1111022211211 is a wasteful number, since it uses less digits than its factorization.

1111022211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48818909.

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

Adding to 1111022211211 its reverse (1121122201111), we get a palindrome (2232144412322).

The spelling of 1111022211211 in words is "one trillion, one hundred eleven billion, twenty-two million, two hundred eleven thousand, two hundred eleven".