201101121293 has 2 divisors, whose sum is σ = 201101121294. Its totient is φ = 201101121292.

The previous prime is 201101121283. The next prime is 201101121337. The reversal of 201101121293 is 392121101102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134896802089 + 66204319204 = 367283^2 + 257302^2 .

It is a cyclic number.

It is not a de Polignac number, because 201101121293 - 2³⁰ = 200027379469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201101121283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550560646 + 100550560647.

It is an arithmetic number, because the mean of its divisors is an integer number (100550560647).

Almost surely, 2^201101121293 is an apocalyptic number.

It is an amenable number.

201101121293 is a deficient number, since it is larger than the sum of its proper divisors (1).

201101121293 is an equidigital number, since it uses as much as digits as its factorization.

201101121293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 201101121293 its reverse (392121101102), we get a palindrome (593222222395).

The spelling of 201101121293 in words is "two hundred one billion, one hundred one million, one hundred twenty-one thousand, two hundred ninety-three".