200131123220100 has 108 divisors (see below), whose sum is σ = 628347134251200. Its totient is φ = 53279203723200.

The previous prime is 200131123220081. The next prime is 200131123220137. The reversal of 200131123220100 is 1022321131002.

200131123220100 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 311 + 232 + 20 + 100 = 666.

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

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, 185076856 + ... + 186155055.

Almost surely, 2^{200131123220100} is an apocalyptic number.

200131123220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200131123220100 is an abundant number, since it is smaller than the sum of its proper divisors (428216011031100).

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

200131123220100 is a wasteful number, since it uses less digits than its factorization.

200131123220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371232530 (or 371232520 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 200131123220100 its reverse (1022321131002), we get a palindrome (201153444351102).

The spelling of 200131123220100 in words is "two hundred trillion, one hundred thirty-one billion, one hundred twenty-three million, two hundred twenty thousand, one hundred".