2111010200020 has 48 divisors (see below), whose sum is σ = 4442538844800. Its totient is φ = 842610821760.

The previous prime is 2111010200003. The next prime is 2111010200023. The reversal of 2111010200020 is 200020101112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111010200023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85693105 + ... + 85717735.

It is an arithmetic number, because the mean of its divisors is an integer number (92552892600).

Almost surely, 2^{2111010200020} is an apocalyptic number.

2111010200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111010200020 is an abundant number, since it is smaller than the sum of its proper divisors (2331528644780).

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

2111010200020 is a wasteful number, since it uses less digits than its factorization.

2111010200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33568 (or 33566 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2111010200020 its reverse (200020101112), we get a palindrome (2311030301132).

The spelling of 2111010200020 in words is "two trillion, one hundred eleven billion, ten million, two hundred thousand, twenty".