201121101121093 has 2 divisors, whose sum is σ = 201121101121094. Its totient is φ = 201121101121092.

The previous prime is 201121101121067. The next prime is 201121101121133. The reversal of 201121101121093 is 390121101121102.

It is a happy number.

201121101121093 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., 194872191073569 + 6248910047524 = 13959663^2 + 2499782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201121101121093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201121101121033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560550560546 + 100560550560547.

It is an arithmetic number, because the mean of its divisors is an integer number (100560550560547).

Almost surely, 2^{201121101121093} is an apocalyptic number.

It is an amenable number.

201121101121093 is a deficient number, since it is larger than the sum of its proper divisors (1).

201121101121093 is an equidigital number, since it uses as much as digits as its factorization.

201121101121093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 25.

Adding to 201121101121093 its reverse (390121101121102), we get a palindrome (591242202242195).

The spelling of 201121101121093 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred one million, one hundred twenty-one thousand, ninety-three".