100010112121121 has 4 divisors (see below), whose sum is σ = 100010135119872. Its totient is φ = 100010089122372.

The previous prime is 100010112121081. The next prime is 100010112121163. The reversal of 100010112121121 is 121121211010001.

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 100010112121121 - 2⁶ = 100010112121057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100010112121096 and 100010112121105.

It is not an unprimeable number, because it can be changed into a prime (100010112121181) 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, 2765441 + ... + 14410686.

It is an arithmetic number, because the mean of its divisors is an integer number (25002533779968).

Almost surely, 2^{100010112121121} is an apocalyptic number.

It is an amenable number.

100010112121121 is a deficient number, since it is larger than the sum of its proper divisors (22998751).

100010112121121 is an equidigital number, since it uses as much as digits as its factorization.

100010112121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22998750.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100010112121121 its reverse (121121211010001), we get a palindrome (221131323131122).

The spelling of 100010112121121 in words is "one hundred trillion, ten billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twenty-one".