2021114100 has 72 divisors (see below), whose sum is σ = 5861638720. Its totient is φ = 537684480.

The previous prime is 2021114093. The next prime is 2021114107. The reversal of 2021114100 is 14111202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2021114093) and next prime (2021114107).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021114107) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 122121 + ... + 137679.

Almost surely, 2^2021114100 is an apocalyptic number.

2021114100 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 2021114100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2930819360).

2021114100 is an abundant number, since it is smaller than the sum of its proper divisors (3840524620).

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

2021114100 is a wasteful number, since it uses less digits than its factorization.

2021114100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16009 (or 16002 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2021114100 is about 44956.8025998291. The cubic root of 2021114100 is about 1264.3392217314.

Adding to 2021114100 its reverse (14111202), we get a palindrome (2035225302).

The spelling of 2021114100 in words is "two billion, twenty-one million, one hundred fourteen thousand, one hundred".