4001122321 has 8 divisors (see below), whose sum is σ = 4573376640. Its totient is φ = 3429034368.

The previous prime is 4001122303. The next prime is 4001122331. The reversal of 4001122321 is 1232211004.

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 4001122321 - 2¹⁹ = 4000598033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4001122295 and 4001122304.

It is not an unprimeable number, because it can be changed into a prime (4001122331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15105 + ... + 90721.

It is an arithmetic number, because the mean of its divisors is an integer number (571672080).

Almost surely, 2^4001122321 is an apocalyptic number.

It is an amenable number.

4001122321 is a deficient number, since it is larger than the sum of its proper divisors (572254319).

4001122321 is an equidigital number, since it uses as much as digits as its factorization.

4001122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83183.

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

The square root of 4001122321 is about 63254.4253076415. The cubic root of 4001122321 is about 1587.5495025463.

Adding to 4001122321 its reverse (1232211004), we get a palindrome (5233333325).

The spelling of 4001122321 in words is "four billion, one million, one hundred twenty-two thousand, three hundred twenty-one".