100100231232101 has 4 divisors (see below), whose sum is σ = 100100257473804. Its totient is φ = 100100204990400.

The previous prime is 100100231232097. The next prime is 100100231232121. The reversal of 100100231232101 is 101232132001001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67246986581476 + 32853244650625 = 8200426^2 + 5731775^2 .

It is a cyclic number.

It is not a de Polignac number, because 100100231232101 - 2² = 100100231232097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100100231232101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100231232121) 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, 6172490 + ... + 15436971.

It is an arithmetic number, because the mean of its divisors is an integer number (25025064368451).

Almost surely, 2^{100100231232101} is an apocalyptic number.

It is an amenable number.

100100231232101 is a deficient number, since it is larger than the sum of its proper divisors (26241703).

100100231232101 is an equidigital number, since it uses as much as digits as its factorization.

100100231232101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26241702.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 100100231232101 its reverse (101232132001001), we get a palindrome (201332363233102).

The spelling of 100100231232101 in words is "one hundred trillion, one hundred billion, two hundred thirty-one million, two hundred thirty-two thousand, one hundred one".