113203223100 has 108 divisors (see below), whose sum is σ = 387086448840. Its totient is φ = 27443203200.

The previous prime is 113203223099. The next prime is 113203223113. The reversal of 113203223100 is 1322302311.

113203223100 is a `hidden beast` number, since 1 + 1 + 32 + 0 + 322 + 310 + 0 = 666.

It is a super-2 number, since 2×113203223100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5707435 + ... + 5727234.

Almost surely, 2^113203223100 is an apocalyptic number.

113203223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113203223100 is an abundant number, since it is smaller than the sum of its proper divisors (273883225740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113203223100 is a wasteful number, since it uses less digits than its factorization.

113203223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434700 (or 11434690 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 113203223100 its reverse (1322302311), we get a palindrome (114525525411).

The spelling of 113203223100 in words is "one hundred thirteen billion, two hundred three million, two hundred twenty-three thousand, one hundred".