1111211010112 has 112 divisors (see below), whose sum is σ = 2685980798208. Its totient is φ = 445250764800.

The previous prime is 1111211010079. The next prime is 1111211010113. The reversal of 1111211010112 is 2110101121111.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 1111211010092 and 1111211010101.

It is not an unprimeable number, because it can be changed into a prime (1111211010113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666888 + ... + 1633144.

Almost surely, 2^{1111211010112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111211010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1342990399104).

1111211010112 is an abundant number, since it is smaller than the sum of its proper divisors (1574769788096).

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

1111211010112 is a wasteful number, since it uses less digits than its factorization.

1111211010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966444 (or 966434 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1111211010112 its reverse (2110101121111), we get a palindrome (3221312131223).

It can be divided in two parts, 1111 and 211010112, that multiplied together give a palindrome (234432234432).

The spelling of 1111211010112 in words is "one trillion, one hundred eleven billion, two hundred eleven million, ten thousand, one hundred twelve".