2021201120 has 48 divisors (see below), whose sum is σ = 4788237888. Its totient is φ = 806254080.

The previous prime is 2021201101. The next prime is 2021201123. The reversal of 2021201120 is 211021202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021201123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41510 + ... + 75930.

It is an arithmetic number, because the mean of its divisors is an integer number (99754956).

Almost surely, 2^2021201120 is an apocalyptic number.

2021201120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021201120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2394118944).

2021201120 is an abundant number, since it is smaller than the sum of its proper divisors (2767036768).

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

2021201120 is a wasteful number, since it uses less digits than its factorization.

2021201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34803 (or 34795 counting only the distinct ones).

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

The square root of 2021201120 is about 44957.7704073501. The cubic root of 2021201120 is about 1264.3573670405.

Adding to 2021201120 its reverse (211021202), we get a palindrome (2232222322).

The spelling of 2021201120 in words is "two billion, twenty-one million, two hundred one thousand, one hundred twenty".