4321121011 has 4 divisors (see below), whose sum is σ = 4322372272. Its totient is φ = 4319869752.

The previous prime is 4321121003. The next prime is 4321121023. The reversal of 4321121011 is 1101211234.

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

It is a cyclic number.

It is not a de Polignac number, because 4321121011 - 2³ = 4321121003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4321121411) 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, 620436 + ... + 627361.

It is an arithmetic number, because the mean of its divisors is an integer number (1080593068).

Almost surely, 2^4321121011 is an apocalyptic number.

4321121011 is a deficient number, since it is larger than the sum of its proper divisors (1251261).

4321121011 is a wasteful number, since it uses less digits than its factorization.

4321121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251260.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 4321121011 is about 65735.2341670736. The cubic root of 4321121011 is about 1628.7914324033.

Adding to 4321121011 its reverse (1101211234), we get a palindrome (5422332245).

The spelling of 4321121011 in words is "four billion, three hundred twenty-one million, one hundred twenty-one thousand, eleven".