10321120203 has 4 divisors (see below), whose sum is σ = 13761493608. Its totient is φ = 6880746800.

The previous prime is 10321120171. The next prime is 10321120217. The reversal of 10321120203 is 30202112301.

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 10321120203 - 2⁵ = 10321120171 is a prime.

It is a super-2 number, since 2×10321120203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10321110203) 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, 1720186698 + ... + 1720186703.

It is an arithmetic number, because the mean of its divisors is an integer number (3440373402).

Almost surely, 2^10321120203 is an apocalyptic number.

10321120203 is a deficient number, since it is larger than the sum of its proper divisors (3440373405).

10321120203 is an equidigital number, since it uses as much as digits as its factorization.

10321120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440373404.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10321120203 its reverse (30202112301), we get a palindrome (40523232504).

The spelling of 10321120203 in words is "ten billion, three hundred twenty-one million, one hundred twenty thousand, two hundred three".