12102011100021 has 8 divisors (see below), whose sum is σ = 16136142230880. Its totient is φ = 8067943684592.

The previous prime is 12102011099957. The next prime is 12102011100037. The reversal of 12102011100021 is 12000111020121.

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

It is a cyclic number.

It is not a de Polignac number, because 12102011100021 - 2⁶ = 12102011099957 is a prime.

It is a super-3 number, since 3×12102011100021³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102011100821) 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, 15483891 + ... + 16246688.

It is an arithmetic number, because the mean of its divisors is an integer number (2017017778860).

Almost surely, 2^{12102011100021} is an apocalyptic number.

It is an amenable number.

12102011100021 is a deficient number, since it is larger than the sum of its proper divisors (4034131130859).

12102011100021 is a wasteful number, since it uses less digits than its factorization.

12102011100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31857715.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12102011100021 its reverse (12000111020121), we get a palindrome (24102122120142).

The spelling of 12102011100021 in words is "twelve trillion, one hundred two billion, eleven million, one hundred thousand, twenty-one".