2120422441 has 4 divisors (see below), whose sum is σ = 2126498500. Its totient is φ = 2114346384.

The previous prime is 2120422429. The next prime is 2120422481. The reversal of 2120422441 is 1442240212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1600400025 + 520022416 = 40005^2 + 22804^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120422441 - 2⁹ = 2120421929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120422481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3037506 + ... + 3038203.

It is an arithmetic number, because the mean of its divisors is an integer number (531624625).

Almost surely, 2^2120422441 is an apocalyptic number.

It is an amenable number.

2120422441 is a deficient number, since it is larger than the sum of its proper divisors (6076059).

2120422441 is an equidigital number, since it uses as much as digits as its factorization.

2120422441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6076058.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2120422441 is about 46048.0449204958. The cubic root of 2120422441 is about 1284.7169792597.

Adding to 2120422441 its reverse (1442240212), we get a palindrome (3562662653).

The spelling of 2120422441 in words is "two billion, one hundred twenty million, four hundred twenty-two thousand, four hundred forty-one".