4021004441121 has 8 divisors (see below), whose sum is σ = 5361355217664. Its totient is φ = 2680661646000.

The previous prime is 4021004441099. The next prime is 4021004441161. The reversal of 4021004441121 is 1211444001204.

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

It is not a de Polignac number, because 4021004441121 - 2⁷ = 4021004440993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4021004441091 and 4021004441100.

It is not an unprimeable number, because it can be changed into a prime (4021004441161) 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, 699630 + ... + 2920871.

It is an arithmetic number, because the mean of its divisors is an integer number (670169402208).

Almost surely, 2^{4021004441121} is an apocalyptic number.

It is an amenable number.

4021004441121 is a deficient number, since it is larger than the sum of its proper divisors (1340350776543).

4021004441121 is a wasteful number, since it uses less digits than its factorization.

4021004441121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990711.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 4021004441121 its reverse (1211444001204), we get a palindrome (5232448442325).

The spelling of 4021004441121 in words is "four trillion, twenty-one billion, four million, four hundred forty-one thousand, one hundred twenty-one".