1112222212011 has 6 divisors (see below), whose sum is σ = 1606543195140. Its totient is φ = 741481474668.

The previous prime is 1112222211953. The next prime is 1112222212033. The reversal of 1112222212011 is 1102122222111.

It is not a de Polignac number, because 1112222212011 - 2¹³ = 1112222203819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112222202011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61790122881 + ... + 61790122898.

It is an arithmetic number, because the mean of its divisors is an integer number (267757199190).

Almost surely, 2^{1112222212011} is an apocalyptic number.

1112222212011 is a deficient number, since it is larger than the sum of its proper divisors (494320983129).

1112222212011 is a wasteful number, since it uses less digits than its factorization.

1112222212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123580245785 (or 123580245782 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1112222212011 its reverse (1102122222111), we get a palindrome (2214344434122).

The spelling of 1112222212011 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, two hundred twelve thousand, eleven".