102203043321340 has 96 divisors (see below), whose sum is σ = 232429923278784. Its totient is φ = 37525472839680.

The previous prime is 102203043321289. The next prime is 102203043321359. The reversal of 102203043321340 is 43123340302201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102203043321299 and 102203043321308.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 98389152 + ... + 99422488.

It is an arithmetic number, because the mean of its divisors is an integer number (2421145034154).

Almost surely, 2^{102203043321340} is an apocalyptic number.

102203043321340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102203043321340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116214961639392).

102203043321340 is an abundant number, since it is smaller than the sum of its proper divisors (130226879957444).

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

102203043321340 is a wasteful number, since it uses less digits than its factorization.

102203043321340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035487 (or 1035485 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 102203043321340 its reverse (43123340302201), we get a palindrome (145326383623541).

The spelling of 102203043321340 in words is "one hundred two trillion, two hundred three billion, forty-three million, three hundred twenty-one thousand, three hundred forty".