12100020022111 has 16 divisors (see below), whose sum is σ = 14132241792000. Its totient is φ = 10144004562720.

The previous prime is 12100020022093. The next prime is 12100020022187. The reversal of 12100020022111 is 11122002000121.

It is not a de Polignac number, because 12100020022111 - 2⁹ = 12100020021599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100020022091 and 12100020022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100020002111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11774400 + ... + 12760741.

It is an arithmetic number, because the mean of its divisors is an integer number (883265112000).

Almost surely, 2^{12100020022111} is an apocalyptic number.

12100020022111 is a deficient number, since it is larger than the sum of its proper divisors (2032221769889).

12100020022111 is a wasteful number, since it uses less digits than its factorization.

12100020022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24536694.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12100020022111 its reverse (11122002000121), we get a palindrome (23222022022232).

The spelling of 12100020022111 in words is "twelve trillion, one hundred billion, twenty million, twenty-two thousand, one hundred eleven".