101213113203 has 24 divisors (see below), whose sum is σ = 146452670000. Its totient is φ = 67357376064.

The previous prime is 101213113201. The next prime is 101213113213. The reversal of 101213113203 is 302311312101.

101213113203 is a `hidden beast` number, since 10 + 1 + 21 + 311 + 320 + 3 = 666.

It is not a de Polignac number, because 101213113203 - 2¹ = 101213113201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101213113201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26104101 + ... + 26107977.

Almost surely, 2^101213113203 is an apocalyptic number.

101213113203 is a deficient number, since it is larger than the sum of its proper divisors (45239556797).

101213113203 is a wasteful number, since it uses less digits than its factorization.

101213113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211 (or 8208 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 101213113203 its reverse (302311312101), we get a palindrome (403524425304).

The spelling of 101213113203 in words is "one hundred one billion, two hundred thirteen million, one hundred thirteen thousand, two hundred three".