12112000102021 has 2 divisors, whose sum is σ = 12112000102022. Its totient is φ = 12112000102020.

The previous prime is 12112000102003. The next prime is 12112000102051. The reversal of 12112000102021 is 12020100021121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10504657905921 + 1607342196100 = 3241089^2 + 1267810^2 .

It is an emirp because it is prime and its reverse (12020100021121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12112000102021 - 2¹¹ = 12112000099973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12112000101992 and 12112000102010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112000102051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056000051010 + 6056000051011.

It is an arithmetic number, because the mean of its divisors is an integer number (6056000051011).

Almost surely, 2^{12112000102021} is an apocalyptic number.

It is an amenable number.

12112000102021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112000102021 is an equidigital number, since it uses as much as digits as its factorization.

12112000102021 is an evil number, because the sum of its binary digits is even.

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

Adding to 12112000102021 its reverse (12020100021121), we get a palindrome (24132100123142).

The spelling of 12112000102021 in words is "twelve trillion, one hundred twelve billion, one hundred two thousand, twenty-one".