2011112002020 has 96 divisors (see below), whose sum is σ = 6203855339136. Its totient is φ = 482715136000.

The previous prime is 2011112002001. The next prime is 2011112002057. The reversal of 2011112002020 is 202002111102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2011112001987 and 2011112002005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15018189 + ... + 15151508.

It is an arithmetic number, because the mean of its divisors is an integer number (64623493116).

Almost surely, 2^{2011112002020} is an apocalyptic number.

2011112002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011112002020 is an abundant number, since it is smaller than the sum of its proper divisors (4192743337116).

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

2011112002020 is a wasteful number, since it uses less digits than its factorization.

2011112002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30169821 (or 30169819 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2011112002020 its reverse (202002111102), we get a palindrome (2213114113122).

The spelling of 2011112002020 in words is "two trillion, eleven billion, one hundred twelve million, two thousand, twenty".