201124402001 has 4 divisors (see below), whose sum is σ = 201329005632. Its totient is φ = 200919798372.

The previous prime is 201124401953. The next prime is 201124402027. The reversal of 201124402001 is 100204421102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201124402001 - 2¹⁸ = 201124139857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201124402051) 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, 102300341 + ... + 102302306.

It is an arithmetic number, because the mean of its divisors is an integer number (50332251408).

Almost surely, 2^201124402001 is an apocalyptic number.

It is an amenable number.

201124402001 is a deficient number, since it is larger than the sum of its proper divisors (204603631).

201124402001 is an equidigital number, since it uses as much as digits as its factorization.

201124402001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204603630.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201124402001 its reverse (100204421102), we get a palindrome (301328823103).

The spelling of 201124402001 in words is "two hundred one billion, one hundred twenty-four million, four hundred two thousand, one".