10120321200203 has 4 divisors (see below), whose sum is σ = 10120328916960. Its totient is φ = 10120313483448.

The previous prime is 10120321200193. The next prime is 10120321200229. The reversal of 10120321200203 is 30200212302101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10120321200203 - 2²² = 10120317005899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10120321200263) 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, 1345748 + ... + 4695921.

It is an arithmetic number, because the mean of its divisors is an integer number (2530082229240).

Almost surely, 2^{10120321200203} is an apocalyptic number.

10120321200203 is a deficient number, since it is larger than the sum of its proper divisors (7716757).

10120321200203 is an equidigital number, since it uses as much as digits as its factorization.

10120321200203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7716756.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10120321200203 its reverse (30200212302101), we get a palindrome (40320533502304).

The spelling of 10120321200203 in words is "ten trillion, one hundred twenty billion, three hundred twenty-one million, two hundred thousand, two hundred three".