100123221231133 has 4 divisors (see below), whose sum is σ = 101533407445728. Its totient is φ = 98713035016540.

The previous prime is 100123221231127. The next prime is 100123221231149. The reversal of 100123221231133 is 331132122321001.

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 100123221231133 - 2³³ = 100114631296541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100123221231098 and 100123221231107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123221231833) 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, 705093107191 + ... + 705093107332.

It is an arithmetic number, because the mean of its divisors is an integer number (25383351861432).

Almost surely, 2^{100123221231133} is an apocalyptic number.

It is an amenable number.

100123221231133 is a deficient number, since it is larger than the sum of its proper divisors (1410186214595).

100123221231133 is an equidigital number, since it uses as much as digits as its factorization.

100123221231133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410186214594.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 100123221231133 its reverse (331132122321001), we get a palindrome (431255343552134).

The spelling of 100123221231133 in words is "one hundred trillion, one hundred twenty-three billion, two hundred twenty-one million, two hundred thirty-one thousand, one hundred thirty-three".