4431021102222 has 64 divisors (see below), whose sum is σ = 10451861892864. Its totient is φ = 1234623651840.

The previous prime is 4431021102203. The next prime is 4431021102229. The reversal of 4431021102222 is 2222011201344.

It is a junction number, because it is equal to n+sod(n) for n = 4431021102192 and 4431021102201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431021102229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9826888 + ... + 10267899.

It is an arithmetic number, because the mean of its divisors is an integer number (163310342076).

Almost surely, 2^{4431021102222} is an apocalyptic number.

4431021102222 is an abundant number, since it is smaller than the sum of its proper divisors (6020840790642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4431021102222 is a wasteful number, since it uses less digits than its factorization.

4431021102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20095073.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 4431021102222 its reverse (2222011201344), we get a palindrome (6653032303566).

The spelling of 4431021102222 in words is "four trillion, four hundred thirty-one billion, twenty-one million, one hundred two thousand, two hundred twenty-two".