20201201222141 has 2 divisors, whose sum is σ = 20201201222142. Its totient is φ = 20201201222140.

The previous prime is 20201201222077. The next prime is 20201201222177. The reversal of 20201201222141 is 14122210210202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17118525602116 + 3082675620025 = 4137454^2 + 1755755^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201201222141 - 2⁶ = 20201201222077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201201222341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100600611070 + 10100600611071.

It is an arithmetic number, because the mean of its divisors is an integer number (10100600611071).

Almost surely, 2^{20201201222141} is an apocalyptic number.

It is an amenable number.

20201201222141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201201222141 is an equidigital number, since it uses as much as digits as its factorization.

20201201222141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20201201222141 its reverse (14122210210202), we get a palindrome (34323411432343).

The spelling of 20201201222141 in words is "twenty trillion, two hundred one billion, two hundred one million, two hundred twenty-two thousand, one hundred forty-one".