20113111132141 has 2 divisors, whose sum is σ = 20113111132142. Its totient is φ = 20113111132140.

The previous prime is 20113111132099. The next prime is 20113111132159. The reversal of 20113111132141 is 14123111131102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18225086737225 + 1888024394916 = 4269085^2 + 1374054^2 .

It is a cyclic number.

It is not a de Polignac number, because 20113111132141 - 2⁷ = 20113111132013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20113111132241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056555566070 + 10056555566071.

It is an arithmetic number, because the mean of its divisors is an integer number (10056555566071).

Almost surely, 2^{20113111132141} is an apocalyptic number.

It is an amenable number.

20113111132141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113111132141 is an equidigital number, since it uses as much as digits as its factorization.

20113111132141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 20113111132141 its reverse (14123111131102), we get a palindrome (34236222263243).

The spelling of 20113111132141 in words is "twenty trillion, one hundred thirteen billion, one hundred eleven million, one hundred thirty-two thousand, one hundred forty-one".