20111341043 has 2 divisors, whose sum is σ = 20111341044. Its totient is φ = 20111341042.

The previous prime is 20111341021. The next prime is 20111341049. The reversal of 20111341043 is 34014311102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20111341043 - 2¹⁶ = 20111275507 is a prime.

It is not a weakly prime, because it can be changed into another prime (20111341049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055670521 + 10055670522.

It is an arithmetic number, because the mean of its divisors is an integer number (10055670522).

Almost surely, 2^20111341043 is an apocalyptic number.

20111341043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111341043 is an equidigital number, since it uses as much as digits as its factorization.

20111341043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20111341043 its reverse (34014311102), we get a palindrome (54125652145).

The spelling of 20111341043 in words is "twenty billion, one hundred eleven million, three hundred forty-one thousand, forty-three".