1111122101112 has 16 divisors (see below), whose sum is σ = 2777805252840. Its totient is φ = 370374033696.

The previous prime is 1111122101107. The next prime is 1111122101123. The reversal of 1111122101112 is 2111012211111.

It is a junction number, because it is equal to n+sod(n) for n = 1111122101091 and 1111122101100.

It is a congruent number.

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, 23148377083 + ... + 23148377130.

Almost surely, 2^{1111122101112} is an apocalyptic number.

1111122101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111122101112 is an abundant number, since it is smaller than the sum of its proper divisors (1666683151728).

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

1111122101112 is a wasteful number, since it uses less digits than its factorization.

1111122101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46296754222 (or 46296754218 counting only the distinct ones).

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

Adding to 1111122101112 its reverse (2111012211111), we get a palindrome (3222134312223).

The spelling of 1111122101112 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred one thousand, one hundred twelve".