12102211120011 has 4 divisors (see below), whose sum is σ = 16136281493352. Its totient is φ = 8068140746672.

The previous prime is 12102211120001. The next prime is 12102211120081. The reversal of 12102211120011 is 11002111220121.

It is a happy number.

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 12102211120011 - 2¹³ = 12102211111819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12102211120001) 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, 2017035186666 + ... + 2017035186671.

It is an arithmetic number, because the mean of its divisors is an integer number (4034070373338).

Almost surely, 2^{12102211120011} is an apocalyptic number.

12102211120011 is a deficient number, since it is larger than the sum of its proper divisors (4034070373341).

12102211120011 is an equidigital number, since it uses as much as digits as its factorization.

12102211120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034070373340.

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

Adding to 12102211120011 its reverse (11002111220121), we get a palindrome (23104322340132).

The spelling of 12102211120011 in words is "twelve trillion, one hundred two billion, two hundred eleven million, one hundred twenty thousand, eleven".