201102120087443 has 2 divisors, whose sum is σ = 201102120087444. Its totient is φ = 201102120087442.

The previous prime is 201102120087391. The next prime is 201102120087469. The reversal of 201102120087443 is 344780021201102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201102120087443 is a prime.

It is not a weakly prime, because it can be changed into another prime (201102120084443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100551060043721 + 100551060043722.

It is an arithmetic number, because the mean of its divisors is an integer number (100551060043722).

Almost surely, 2^{201102120087443} is an apocalyptic number.

201102120087443 is a deficient number, since it is larger than the sum of its proper divisors (1).

201102120087443 is an equidigital number, since it uses as much as digits as its factorization.

201102120087443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 35.

Adding to 201102120087443 its reverse (344780021201102), we get a palindrome (545882141288545).

The spelling of 201102120087443 in words is "two hundred one trillion, one hundred two billion, one hundred twenty million, eighty-seven thousand, four hundred forty-three".