2021134120 has 64 divisors (see below), whose sum is σ = 4952016000. Its totient is φ = 739484928.

The previous prime is 2021134111. The next prime is 2021134123. The reversal of 2021134120 is 214311202.

It is a junction number, because it is equal to n+sod(n) for n = 2021134094 and 2021134103.

It is not an unprimeable number, because it can be changed into a prime (2021134123) 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, 23812 + ... + 67891.

It is an arithmetic number, because the mean of its divisors is an integer number (77375250).

Almost surely, 2^2021134120 is an apocalyptic number.

2021134120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021134120 is an abundant number, since it is smaller than the sum of its proper divisors (2930881880).

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

2021134120 is a wasteful number, since it uses less digits than its factorization.

2021134120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91762 (or 91758 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2021134120 is about 44957.0252574612. The cubic root of 2021134120 is about 1264.3433963247.

Adding to 2021134120 its reverse (214311202), we get a palindrome (2235445322).

The spelling of 2021134120 in words is "two billion, twenty-one million, one hundred thirty-four thousand, one hundred twenty".