100100221232101 has 4 divisors (see below), whose sum is σ = 100888411950592. Its totient is φ = 99312030513612.

The previous prime is 100100221232071. The next prime is 100100221232177. The reversal of 100100221232101 is 101232122001001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100100221232101 - 2⁹ = 100100221231589 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 (100100224232101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394095359055 + ... + 394095359308.

It is an arithmetic number, because the mean of its divisors is an integer number (25222102987648).

Almost surely, 2^{100100221232101} is an apocalyptic number.

It is an amenable number.

100100221232101 is a deficient number, since it is larger than the sum of its proper divisors (788190718491).

100100221232101 is an equidigital number, since it uses as much as digits as its factorization.

100100221232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788190718490.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 100100221232101 its reverse (101232122001001), we get a palindrome (201332343233102).

The spelling of 100100221232101 in words is "one hundred trillion, one hundred billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred one".