2112000110221 has 2 divisors, whose sum is σ = 2112000110222. Its totient is φ = 2112000110220.

The previous prime is 2112000110177. The next prime is 2112000110243. The reversal of 2112000110221 is 1220110002112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1381539301321 + 730460808900 = 1175389^2 + 854670^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112000110221 - 2³¹ = 2109852626573 is a prime.

It is a super-2 number, since 2×2112000110221² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112000180221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056000055110 + 1056000055111.

It is an arithmetic number, because the mean of its divisors is an integer number (1056000055111).

Almost surely, 2^{2112000110221} is an apocalyptic number.

It is an amenable number.

2112000110221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112000110221 is an equidigital number, since it uses as much as digits as its factorization.

2112000110221 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 2112000110221 its reverse (1220110002112), we get a palindrome (3332110112333).

The spelling of 2112000110221 in words is "two trillion, one hundred twelve billion, one hundred ten thousand, two hundred twenty-one".