1111011122112 has 56 divisors (see below), whose sum is σ = 2941527849216. Its totient is φ = 370087895808.

The previous prime is 1111011122101. The next prime is 1111011122119. The reversal of 1111011122112 is 2112211101111.

It is a junction number, because it is equal to n+sod(n) for n = 1111011122091 and 1111011122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111011122119) 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, 1660198 + ... + 2231205.

Almost surely, 2^{1111011122112} is an apocalyptic number.

1111011122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111011122112 is an abundant number, since it is smaller than the sum of its proper divisors (1830516727104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111011122112 is a wasteful number, since it uses less digits than its factorization.

1111011122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892905 (or 3892895 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1111011122112 its reverse (2112211101111), we get a palindrome (3223222223223).

The spelling of 1111011122112 in words is "one trillion, one hundred eleven billion, eleven million, one hundred twenty-two thousand, one hundred twelve".