12221140201 has 2 divisors, whose sum is σ = 12221140202. Its totient is φ = 12221140200.

The previous prime is 12221140177. The next prime is 12221140273. The reversal of 12221140201 is 10204112221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10205040400 + 2016099801 = 101020^2 + 44901^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221140201 - 2⁷ = 12221140073 is a prime.

It is not a weakly prime, because it can be changed into another prime (12221140301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110570100 + 6110570101.

It is an arithmetic number, because the mean of its divisors is an integer number (6110570101).

Almost surely, 2^12221140201 is an apocalyptic number.

It is an amenable number.

12221140201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221140201 is an equidigital number, since it uses as much as digits as its factorization.

12221140201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12221140201 its reverse (10204112221), we get a palindrome (22425252422).

The spelling of 12221140201 in words is "twelve billion, two hundred twenty-one million, one hundred forty thousand, two hundred one".