201122220983653 has 2 divisors, whose sum is σ = 201122220983654. Its totient is φ = 201122220983652.

The previous prime is 201122220983617. The next prime is 201122220983669. The reversal of 201122220983653 is 356389022221102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121428785197729 + 79693435785924 = 11019473^2 + 8927118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201122220983653 is a prime.

It is a super-3 number, since 3×201122220983653³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201122220986653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561110491826 + 100561110491827.

It is an arithmetic number, because the mean of its divisors is an integer number (100561110491827).

Almost surely, 2^{201122220983653} is an apocalyptic number.

It is an amenable number.

201122220983653 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122220983653 is an equidigital number, since it uses as much as digits as its factorization.

201122220983653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 201122220983653 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty million, nine hundred eighty-three thousand, six hundred fifty-three".