100131000221 has 8 divisors (see below), whose sum is σ = 114437350080. Its totient is φ = 85825130688.

The previous prime is 100131000209. The next prime is 100131000251. The reversal of 100131000221 is 122000131001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100131000221 - 2¹⁰ = 100130999197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131000251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700325 + ... + 831093.

It is an arithmetic number, because the mean of its divisors is an integer number (14304668760).

Almost surely, 2^100131000221 is an apocalyptic number.

It is an amenable number.

100131000221 is a deficient number, since it is larger than the sum of its proper divisors (14306349859).

100131000221 is a wasteful number, since it uses less digits than its factorization.

100131000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240163.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100131000221 its reverse (122000131001), we get a palindrome (222131131222).

The spelling of 100131000221 in words is "one hundred billion, one hundred thirty-one million, two hundred twenty-one", and thus it is an aban number.