102001442224 has 40 divisors (see below), whose sum is σ = 222548613120. Its totient is φ = 44868667200.

The previous prime is 102001442167. The next prime is 102001442233. The reversal of 102001442224 is 422244100201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 102001442195 and 102001442204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9342184 + ... + 9353095.

It is an arithmetic number, because the mean of its divisors is an integer number (5563715328).

Almost surely, 2^102001442224 is an apocalyptic number.

It is an amenable number.

102001442224 is an abundant number, since it is smaller than the sum of its proper divisors (120547170896).

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

102001442224 is a wasteful number, since it uses less digits than its factorization.

102001442224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18695329 (or 18695323 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 102001442224 its reverse (422244100201), we get a palindrome (524245542425).

The spelling of 102001442224 in words is "one hundred two billion, one million, four hundred forty-two thousand, two hundred twenty-four".