101220243203 has 16 divisors (see below), whose sum is σ = 103177890816. Its totient is φ = 99287233920.

The previous prime is 101220243191. The next prime is 101220243217. The reversal of 101220243203 is 302342022101.

It is a cyclic number.

It is not a de Polignac number, because 101220243203 - 2⁸ = 101220242947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101220243253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3964025 + ... + 3989477.

It is an arithmetic number, because the mean of its divisors is an integer number (6448618176).

Almost surely, 2^101220243203 is an apocalyptic number.

101220243203 is a deficient number, since it is larger than the sum of its proper divisors (1957647613).

101220243203 is a wasteful number, since it uses less digits than its factorization.

101220243203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25934.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 101220243203 its reverse (302342022101), we get a palindrome (403562265304).

The spelling of 101220243203 in words is "one hundred one billion, two hundred twenty million, two hundred forty-three thousand, two hundred three".