2120021441 has 8 divisors (see below), whose sum is σ = 2146869984. Its totient is φ = 2093204160.

The previous prime is 2120021429. The next prime is 2120021461. The reversal of 2120021441 is 1441200212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120021441 - 2¹⁰ = 2120020417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120021461) 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 7 ways as a sum of consecutive naturals, for example, 148121 + ... + 161801.

It is an arithmetic number, because the mean of its divisors is an integer number (268358748).

Almost surely, 2^2120021441 is an apocalyptic number.

It is an amenable number.

2120021441 is a deficient number, since it is larger than the sum of its proper divisors (26848543).

2120021441 is a wasteful number, since it uses less digits than its factorization.

2120021441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15631.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2120021441 is about 46043.6905666781. The cubic root of 2120021441 is about 1284.6359884821.

Adding to 2120021441 its reverse (1441200212), we get a palindrome (3561221653).

The spelling of 2120021441 in words is "two billion, one hundred twenty million, twenty-one thousand, four hundred forty-one".