201120221101057 has 2 divisors, whose sum is σ = 201120221101058. Its totient is φ = 201120221101056.

The previous prime is 201120221101039. The next prime is 201120221101147. The reversal of 201120221101057 is 750101122021102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115713715934961 + 85406505166096 = 10757031^2 + 9241564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201120221101057 is a prime.

It is not a weakly prime, because it can be changed into another prime (201120221101357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560110550528 + 100560110550529.

It is an arithmetic number, because the mean of its divisors is an integer number (100560110550529).

Almost surely, 2^{201120221101057} is an apocalyptic number.

It is an amenable number.

201120221101057 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120221101057 is an equidigital number, since it uses as much as digits as its factorization.

201120221101057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 25.

Adding to 201120221101057 its reverse (750101122021102), we get a palindrome (951221343122159).

The spelling of 201120221101057 in words is "two hundred one trillion, one hundred twenty billion, two hundred twenty-one million, one hundred one thousand, fifty-seven".