1111112111122 has 8 divisors (see below), whose sum is σ = 1794873410316. Its totient is φ = 512820974352.

The previous prime is 1111112111119. The next prime is 1111112111173. The reversal of 1111112111122 is 2211112111111.

It can be written as a sum of positive squares in 2 ways, for example, as 1107438417801 + 3673693321 = 1052349^2 + 60611^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1111112111096 and 1111112111105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21367540573 + ... + 21367540624.

Almost surely, 2^{1111112111122} is an apocalyptic number.

1111112111122 is a deficient number, since it is larger than the sum of its proper divisors (683761299194).

1111112111122 is a wasteful number, since it uses less digits than its factorization.

1111112111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42735081212.

The product of its digits is 8, while the sum is 16.

Adding to 1111112111122 its reverse (2211112111111), we get a palindrome (3322224222233).

The spelling of 1111112111122 in words is "one trillion, one hundred eleven billion, one hundred twelve million, one hundred eleven thousand, one hundred twenty-two".