102003222421144 has 32 divisors (see below), whose sum is σ = 211501077636240. Its totient is φ = 45729962726400.

The previous prime is 102003222421109. The next prime is 102003222421171. The reversal of 102003222421144 is 441124222300201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7939223217 + ... + 7939236064.

Almost surely, 2^{102003222421144} is an apocalyptic number.

It is an amenable number.

102003222421144 is an abundant number, since it is smaller than the sum of its proper divisors (109497855215096).

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

102003222421144 is a wasteful number, since it uses less digits than its factorization.

102003222421144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15878459371 (or 15878459367 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 102003222421144 its reverse (441124222300201), we get a palindrome (543127444721345).

The spelling of 102003222421144 in words is "one hundred two trillion, three billion, two hundred twenty-two million, four hundred twenty-one thousand, one hundred forty-four".