201001221353 has 2 divisors, whose sum is σ = 201001221354. Its totient is φ = 201001221352.

The previous prime is 201001221347. The next prime is 201001221401. The reversal of 201001221353 is 353122100102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126795102889 + 74206118464 = 356083^2 + 272408^2 .

It is a cyclic number.

It is not a de Polignac number, because 201001221353 - 2²⁰ = 201000172777 is a prime.

It is not a weakly prime, because it can be changed into another prime (201001221853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500610676 + 100500610677.

It is an arithmetic number, because the mean of its divisors is an integer number (100500610677).

Almost surely, 2^201001221353 is an apocalyptic number.

It is an amenable number.

201001221353 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001221353 is an equidigital number, since it uses as much as digits as its factorization.

201001221353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 201001221353 its reverse (353122100102), we get a palindrome (554123321455).

The spelling of 201001221353 in words is "two hundred one billion, one million, two hundred twenty-one thousand, three hundred fifty-three".