212201112251 has 2 divisors, whose sum is σ = 212201112252. Its totient is φ = 212201112250.

The previous prime is 212201112163. The next prime is 212201112269. The reversal of 212201112251 is 152211102212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212201112251 - 2¹⁴ = 212201095867 is a prime.

It is not a weakly prime, because it can be changed into another prime (212201111251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100556125 + 106100556126.

It is an arithmetic number, because the mean of its divisors is an integer number (106100556126).

Almost surely, 2^212201112251 is an apocalyptic number.

212201112251 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201112251 is an equidigital number, since it uses as much as digits as its factorization.

212201112251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 212201112251 its reverse (152211102212), we get a palindrome (364412214463).

The spelling of 212201112251 in words is "two hundred twelve billion, two hundred one million, one hundred twelve thousand, two hundred fifty-one".