10000121012111 has 4 divisors (see below), whose sum is σ = 10001967080112. Its totient is φ = 9998274944112.

The previous prime is 10000121012069. The next prime is 10000121012117. The reversal of 10000121012111 is 11121012100001.

10000121012111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10000121012111 - 2³⁰ = 9999047270287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000121012092 and 10000121012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000121012117) 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, 923025875 + ... + 923036708.

It is an arithmetic number, because the mean of its divisors is an integer number (2500491770028).

Almost surely, 2^{10000121012111} is an apocalyptic number.

10000121012111 is a deficient number, since it is larger than the sum of its proper divisors (1846068001).

10000121012111 is an equidigital number, since it uses as much as digits as its factorization.

10000121012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846068000.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10000121012111 its reverse (11121012100001), we get a palindrome (21121133112112).

The spelling of 10000121012111 in words is "ten trillion, one hundred twenty-one million, twelve thousand, one hundred eleven".