12102010212111 has 8 divisors (see below), whose sum is σ = 16263068841984. Its totient is φ = 8004479195160.

The previous prime is 12102010212091. The next prime is 12102010212121. The reversal of 12102010212111 is 11121201020121.

It is a happy number.

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

It is not a de Polignac number, because 12102010212111 - 2¹⁰ = 12102010211087 is a prime.

It is a super-2 number, since 2×12102010212111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102010212121) 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, 15881902785 + ... + 15881903546.

It is an arithmetic number, because the mean of its divisors is an integer number (2032883605248).

Almost surely, 2^{12102010212111} is an apocalyptic number.

12102010212111 is a deficient number, since it is larger than the sum of its proper divisors (4161058629873).

12102010212111 is a wasteful number, since it uses less digits than its factorization.

12102010212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31763806461.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12102010212111 its reverse (11121201020121), we get a palindrome (23223211232232).

The spelling of 12102010212111 in words is "twelve trillion, one hundred two billion, ten million, two hundred twelve thousand, one hundred eleven".