100221100000023 has 8 divisors (see below), whose sum is σ = 137239704504688. Its totient is φ = 65008281081024.

The previous prime is 100221100000019. The next prime is 100221100000037. The reversal of 100221100000023 is 320000001122001.

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

It is not a de Polignac number, because 100221100000023 - 2² = 100221100000019 is a prime.

It is a super-2 number, since 2×100221100000023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100221099999954 and 100221100000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221100000223) 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, 451446396286 + ... + 451446396507.

It is an arithmetic number, because the mean of its divisors is an integer number (17154963063086).

Almost surely, 2^{100221100000023} is an apocalyptic number.

100221100000023 is a deficient number, since it is larger than the sum of its proper divisors (37018604504665).

100221100000023 is an equidigital number, since it uses as much as digits as its factorization.

100221100000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902892792833.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 100221100000023 its reverse (320000001122001), we get a palindrome (420221101122024).

The spelling of 100221100000023 in words is "one hundred trillion, two hundred twenty-one billion, one hundred million, twenty-three", and thus it is an aban number.