201434402011 has 4 divisors (see below), whose sum is σ = 206118923032. Its totient is φ = 196749880992.

The previous prime is 201434401957. The next prime is 201434402051. The reversal of 201434402011 is 110204434102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201434402011 - 2¹¹ = 201434399963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201434402051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342260446 + ... + 2342260531.

It is an arithmetic number, because the mean of its divisors is an integer number (51529730758).

Almost surely, 2^201434402011 is an apocalyptic number.

201434402011 is a deficient number, since it is larger than the sum of its proper divisors (4684521021).

201434402011 is an equidigital number, since it uses as much as digits as its factorization.

201434402011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684521020.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 201434402011 its reverse (110204434102), we get a palindrome (311638836113).

The spelling of 201434402011 in words is "two hundred one billion, four hundred thirty-four million, four hundred two thousand, eleven".