20132103111121 has 2 divisors, whose sum is σ = 20132103111122. Its totient is φ = 20132103111120.

The previous prime is 20132103111097. The next prime is 20132103111167. The reversal of 20132103111121 is 12111130123102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18319213209025 + 1812889902096 = 4280095^2 + 1346436^2 .

It is a cyclic number.

It is not a de Polignac number, because 20132103111121 - 2⁵ = 20132103111089 is a prime.

It is not a weakly prime, because it can be changed into another prime (20132103111181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066051555560 + 10066051555561.

It is an arithmetic number, because the mean of its divisors is an integer number (10066051555561).

Almost surely, 2^{20132103111121} is an apocalyptic number.

It is an amenable number.

20132103111121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132103111121 is an equidigital number, since it uses as much as digits as its factorization.

20132103111121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 20132103111121 its reverse (12111130123102), we get a palindrome (32243233234223).

The spelling of 20132103111121 in words is "twenty trillion, one hundred thirty-two billion, one hundred three million, one hundred eleven thousand, one hundred twenty-one".