1110212212211 has 4 divisors (see below), whose sum is σ = 1110220997952. Its totient is φ = 1110203426472.

The previous prime is 1110212212127. The next prime is 1110212212217. The reversal of 1110212212211 is 1122122120111.

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 1110212212211 - 2²² = 1110208017907 is a prime.

It is a super-2 number, since 2×1110212212211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1110212212211.

It is not an unprimeable number, because it can be changed into a prime (1110212212217) 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, 4200515 + ... + 4456988.

It is an arithmetic number, because the mean of its divisors is an integer number (277555249488).

Almost surely, 2^{1110212212211} is an apocalyptic number.

1110212212211 is a deficient number, since it is larger than the sum of its proper divisors (8785741).

1110212212211 is an equidigital number, since it uses as much as digits as its factorization.

1110212212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8785740.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1110212212211 its reverse (1122122120111), we get a palindrome (2232334332322).

It can be divided in two parts, 111021 and 2212211, that added together give a palindrome (2323232).

The spelling of 1110212212211 in words is "one trillion, one hundred ten billion, two hundred twelve million, two hundred twelve thousand, two hundred eleven".