1011020200112 has 60 divisors (see below), whose sum is σ = 2122689601224. Its totient is φ = 466280156160.

The previous prime is 1011020200097. The next prime is 1011020200123. The reversal of 1011020200112 is 2110020201101.

It is a junction number, because it is equal to n+sod(n) for n = 1011020200093 and 1011020200102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3542783 + ... + 3817505.

Almost surely, 2^{1011020200112} 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 1011020200112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1061344800612).

1011020200112 is an abundant number, since it is smaller than the sum of its proper divisors (1111669401112).

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

1011020200112 is a wasteful number, since it uses less digits than its factorization.

1011020200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276118 (or 276099 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011020200112 its reverse (2110020201101), we get a palindrome (3121040401213).

The spelling of 1011020200112 in words is "one trillion, eleven billion, twenty million, two hundred thousand, one hundred twelve".