2011000201020 has 36 divisors (see below), whose sum is σ = 6100033943640. Its totient is φ = 536266720224.

The previous prime is 2011000200997. The next prime is 2011000201033. The reversal of 2011000201020 is 201020001102.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2011000200993 and 2011000201011.

It is a congruent number.

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, 5586111490 + ... + 5586111849.

Almost surely, 2^{2011000201020} is an apocalyptic number.

2011000201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011000201020 is an abundant number, since it is smaller than the sum of its proper divisors (4089033742620).

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

2011000201020 is a wasteful number, since it uses less digits than its factorization.

2011000201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11172223354 (or 11172223349 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2011000201020 its reverse (201020001102), we get a palindrome (2212020202122).

The spelling of 2011000201020 in words is "two trillion, eleven billion, two hundred one thousand, twenty".