2011020200120 has 32 divisors (see below), whose sum is σ = 4552554946320. Its totient is φ = 799473058560.

The previous prime is 2011020200117. The next prime is 2011020200159. The reversal of 2011020200120 is 210020201102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154212821 + ... + 154225860.

Almost surely, 2^{2011020200120} is an apocalyptic number.

2011020200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011020200120 is an abundant number, since it is smaller than the sum of its proper divisors (2541534746200).

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

2011020200120 is a wasteful number, since it uses less digits than its factorization.

2011020200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308438855 (or 308438851 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2011020200120 its reverse (210020201102), we get a palindrome (2221040401222).

The spelling of 2011020200120 in words is "two trillion, eleven billion, twenty million, two hundred thousand, one hundred twenty".