21202330112203 has 32 divisors (see below), whose sum is σ = 22621804830720. Its totient is φ = 19830201431040.

The previous prime is 21202330112113. The next prime is 21202330112207. The reversal of 21202330112203 is 30221103320212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21202330112203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202330112207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102367318 + ... + 102574228.

It is an arithmetic number, because the mean of its divisors is an integer number (706931400960).

Almost surely, 2^{21202330112203} is an apocalyptic number.

21202330112203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21202330112203 is a deficient number, since it is larger than the sum of its proper divisors (1419474718517).

21202330112203 is a wasteful number, since it uses less digits than its factorization.

21202330112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207579.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21202330112203 its reverse (30221103320212), we get a palindrome (51423433432415).

The spelling of 21202330112203 in words is "twenty-one trillion, two hundred two billion, three hundred thirty million, one hundred twelve thousand, two hundred three".