201220110212057 has 2 divisors, whose sum is σ = 201220110212058. Its totient is φ = 201220110212056.

The previous prime is 201220110211993. The next prime is 201220110212159. The reversal of 201220110212057 is 750212011022102.

201220110212057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152935664624656 + 48284445587401 = 12366716^2 + 6948701^2 .

It is a cyclic number.

It is not a de Polignac number, because 201220110212057 - 2⁶ = 201220110211993 is a prime.

It is not a weakly prime, because it can be changed into another prime (201220110292057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100610055106028 + 100610055106029.

It is an arithmetic number, because the mean of its divisors is an integer number (100610055106029).

Almost surely, 2^{201220110212057} is an apocalyptic number.

It is an amenable number.

201220110212057 is a deficient number, since it is larger than the sum of its proper divisors (1).

201220110212057 is an equidigital number, since it uses as much as digits as its factorization.

201220110212057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 201220110212057 its reverse (750212011022102), we get a palindrome (951432121234159).

The spelling of 201220110212057 in words is "two hundred one trillion, two hundred twenty billion, one hundred ten million, two hundred twelve thousand, fifty-seven".