201102043 has 2 divisors, whose sum is σ = 201102044. Its totient is φ = 201102042.

The previous prime is 201102019. The next prime is 201102047. The reversal of 201102043 is 340201102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201102043 - 2²¹ = 199004891 is a prime.

It is not a weakly prime, because it can be changed into another prime (201102047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100551021 + 100551022.

It is an arithmetic number, because the mean of its divisors is an integer number (100551022).

Almost surely, 2^201102043 is an apocalyptic number.

201102043 is a deficient number, since it is larger than the sum of its proper divisors (1).

201102043 is an equidigital number, since it uses as much as digits as its factorization.

201102043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 201102043 is about 14181.0452012537. The cubic root of 201102043 is about 585.8757118556.

Adding to 201102043 its reverse (340201102), we get a palindrome (541303145).

The spelling of 201102043 in words is "two hundred one million, one hundred two thousand, forty-three".