112000200121021 has 2 divisors, whose sum is σ = 112000200121022. Its totient is φ = 112000200121020.

The previous prime is 112000200121003. The next prime is 112000200121037. The reversal of 112000200121021 is 120121002000211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107752932528921 + 4247267592100 = 10380411^2 + 2060890^2 .

It is a cyclic number.

It is not a de Polignac number, because 112000200121021 - 2²¹ = 112000198023869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112000200120992 and 112000200121010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112000204121021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56000100060510 + 56000100060511.

It is an arithmetic number, because the mean of its divisors is an integer number (56000100060511).

Almost surely, 2^{112000200121021} is an apocalyptic number.

It is an amenable number.

112000200121021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112000200121021 is an equidigital number, since it uses as much as digits as its factorization.

112000200121021 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 112000200121021 its reverse (120121002000211), we get a palindrome (232121202121232).

The spelling of 112000200121021 in words is "one hundred twelve trillion, two hundred million, one hundred twenty-one thousand, twenty-one".