4421121116 has 24 divisors (see below), whose sum is σ = 8194175136. Its totient is φ = 2079994880.

The previous prime is 4421121113. The next prime is 4421121139. The reversal of 4421121116 is 6111211244.

It is a junction number, because it is equal to n+sod(n) for n = 4421121091 and 4421121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421121113) 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, 420281 + ... + 430671.

It is an arithmetic number, because the mean of its divisors is an integer number (341423964).

Almost surely, 2^4421121116 is an apocalyptic number.

It is an amenable number.

4421121116 is a deficient number, since it is larger than the sum of its proper divisors (3773054020).

4421121116 is a wasteful number, since it uses less digits than its factorization.

4421121116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16669 (or 16667 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 4421121116 is about 66491.5116086257. The cubic root of 4421121116 is about 1641.2603235913.

The spelling of 4421121116 in words is "four billion, four hundred twenty-one million, one hundred twenty-one thousand, one hundred sixteen".