201040402011 has 4 divisors (see below), whose sum is σ = 268053869352. Its totient is φ = 134026934672.

The previous prime is 201040401971. The next prime is 201040402033. The reversal of 201040402011 is 110204040102.

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 201040402011 - 2⁷ = 201040401883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201040404011) 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, 33506733666 + ... + 33506733671.

It is an arithmetic number, because the mean of its divisors is an integer number (67013467338).

Almost surely, 2^201040402011 is an apocalyptic number.

201040402011 is a deficient number, since it is larger than the sum of its proper divisors (67013467341).

201040402011 is an equidigital number, since it uses as much as digits as its factorization.

201040402011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67013467340.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201040402011 its reverse (110204040102), we get a palindrome (311244442113).

The spelling of 201040402011 in words is "two hundred one billion, forty million, four hundred two thousand, eleven".