12100101111021 has 64 divisors (see below), whose sum is σ = 20770154496000. Its totient is φ = 6080994086400.

The previous prime is 12100101110971. The next prime is 12100101111029. The reversal of 12100101111021 is 12011110100121.

12100101111021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12100101111021 - 2¹⁷ = 12100100979949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12100101110988 and 12100101111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100101111029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21556795 + ... + 22110983.

It is an arithmetic number, because the mean of its divisors is an integer number (324533664000).

Almost surely, 2^{12100101111021} is an apocalyptic number.

12100101111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12100101111021 is a deficient number, since it is larger than the sum of its proper divisors (8670053384979).

12100101111021 is a wasteful number, since it uses less digits than its factorization.

12100101111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557290.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12100101111021 its reverse (12011110100121), we get a palindrome (24111211211142).

The spelling of 12100101111021 in words is "twelve trillion, one hundred billion, one hundred one million, one hundred eleven thousand, twenty-one".