102203201000203 has 4 divisors (see below), whose sum is σ = 102203222183080. Its totient is φ = 102203179817328.

The previous prime is 102203201000177. The next prime is 102203201000213. The reversal of 102203201000203 is 302000102302201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102203201000203 - 2⁴¹ = 100004177744651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102203201000213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558151 + ... + 14307967.

It is an arithmetic number, because the mean of its divisors is an integer number (25550805545770).

Almost surely, 2^{102203201000203} is an apocalyptic number.

102203201000203 is a deficient number, since it is larger than the sum of its proper divisors (21182877).

102203201000203 is an equidigital number, since it uses as much as digits as its factorization.

102203201000203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21182876.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102203201000203 its reverse (302000102302201), we get a palindrome (404203303302404).

The spelling of 102203201000203 in words is "one hundred two trillion, two hundred three billion, two hundred one million, two hundred three", and thus it is an aban number.