1111020100112 has 120 divisors (see below), whose sum is σ = 2569642990656. Its totient is φ = 461631227904.

The previous prime is 1111020100103. The next prime is 1111020100123. The reversal of 1111020100112 is 2110010201111.

It is a junction number, because it is equal to n+sod(n) for n = 1111020100093 and 1111020100102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 980783 + ... + 1784369.

Almost surely, 2^{1111020100112} 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 1111020100112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284821495328).

1111020100112 is an abundant number, since it is smaller than the sum of its proper divisors (1458622890544).

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

1111020100112 is a wasteful number, since it uses less digits than its factorization.

1111020100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803665 (or 803642 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111020100112 its reverse (2110010201111), we get a palindrome (3221030301223).

The spelling of 1111020100112 in words is "one trillion, one hundred eleven billion, twenty million, one hundred thousand, one hundred twelve".