212202242201 has 2 divisors, whose sum is σ = 212202242202. Its totient is φ = 212202242200.

The previous prime is 212202242191. The next prime is 212202242257. The reversal of 212202242201 is 102242202212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204936384601 + 7265857600 = 452699^2 + 85240^2 .

It is a cyclic number.

It is not a de Polignac number, because 212202242201 - 2¹⁸ = 212201980057 is a prime.

It is not a weakly prime, because it can be changed into another prime (212202242101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101121100 + 106101121101.

It is an arithmetic number, because the mean of its divisors is an integer number (106101121101).

Almost surely, 2^212202242201 is an apocalyptic number.

It is an amenable number.

212202242201 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202242201 is an equidigital number, since it uses as much as digits as its factorization.

212202242201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 212202242201 its reverse (102242202212), we get a palindrome (314444444413).

The spelling of 212202242201 in words is "two hundred twelve billion, two hundred two million, two hundred forty-two thousand, two hundred one".