1122110112211 has 18 divisors (see below), whose sum is σ = 1245727858508. Its totient is φ = 1009998990000.

The previous prime is 1122110112203. The next prime is 1122110112223.

1122110112211 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1122110112211 - 2³ = 1122110112203 is a prime.

It is a super-2 number, since 2×1122110112211² (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 (1122110112251) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 779776 + ... + 1688866.

Almost surely, 2^{1122110112211} is an apocalyptic number.

1122110112211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122110112211 is a deficient number, since it is larger than the sum of its proper divisors (123617746297).

1122110112211 is an equidigital number, since it uses as much as digits as its factorization.

1122110112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909315 (or 909203 counting only the distinct ones).

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

It can be divided in two parts, 1122110 and 112211, that added together give a palindrome (1234321).

The spelling of 1122110112211 in words is "one trillion, one hundred twenty-two billion, one hundred ten million, one hundred twelve thousand, two hundred eleven".