102203231123221 has 8 divisors (see below), whose sum is σ = 104727554080160. Its totient is φ = 99685612876752.

The previous prime is 102203231123183. The next prime is 102203231123263. The reversal of 102203231123221 is 122321132302201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102203231123221 - 2⁷ = 102203231123093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102203231123321) by changing a digit.

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, 1676146755 + ... + 1676207728.

It is an arithmetic number, because the mean of its divisors is an integer number (13090944260020).

Almost surely, 2^{102203231123221} is an apocalyptic number.

It is an amenable number.

102203231123221 is a deficient number, since it is larger than the sum of its proper divisors (2524322956939).

102203231123221 is an equidigital number, since it uses as much as digits as its factorization.

102203231123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352355235.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 102203231123221 its reverse (122321132302201), we get a palindrome (224524363425422).

The spelling of 102203231123221 in words is "one hundred two trillion, two hundred three billion, two hundred thirty-one million, one hundred twenty-three thousand, two hundred twenty-one".