2111200212020 has 48 divisors (see below), whose sum is σ = 4462415872320. Its totient is φ = 838980135936.

The previous prime is 2111200211987. The next prime is 2111200212029. The reversal of 2111200212020 is 202120021112.

It is a junction number, because it is equal to n+sod(n) for n = 2111200211986 and 2111200212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111200212029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8546564 + ... + 8790116.

It is an arithmetic number, because the mean of its divisors is an integer number (92966997340).

Almost surely, 2^{2111200212020} is an apocalyptic number.

2111200212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111200212020 is an abundant number, since it is smaller than the sum of its proper divisors (2351215660300).

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

2111200212020 is a wasteful number, since it uses less digits than its factorization.

2111200212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246384 (or 246382 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2111200212020 its reverse (202120021112), we get a palindrome (2313320233132).

The spelling of 2111200212020 in words is "two trillion, one hundred eleven billion, two hundred million, two hundred twelve thousand, twenty".