201220220141 has 2 divisors, whose sum is σ = 201220220142. Its totient is φ = 201220220140.

The previous prime is 201220220101. The next prime is 201220220219. The reversal of 201220220141 is 141022022102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176391600100 + 24828620041 = 419990^2 + 157571^2 .

It is a cyclic number.

It is not a de Polignac number, because 201220220141 - 2⁶ = 201220220077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201220220101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100610110070 + 100610110071.

It is an arithmetic number, because the mean of its divisors is an integer number (100610110071).

Almost surely, 2^201220220141 is an apocalyptic number.

It is an amenable number.

201220220141 is a deficient number, since it is larger than the sum of its proper divisors (1).

201220220141 is an equidigital number, since it uses as much as digits as its factorization.

201220220141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201220220141 its reverse (141022022102), we get a palindrome (342242242243).

The spelling of 201220220141 in words is "two hundred one billion, two hundred twenty million, two hundred twenty thousand, one hundred forty-one".