201100001241 has 4 divisors (see below), whose sum is σ = 268133334992. Its totient is φ = 134066667492.

The previous prime is 201100001183. The next prime is 201100001251. The reversal of 201100001241 is 142100001102.

It is a happy number.

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 not a de Polignac number, because 201100001241 - 2⁶ = 201100001177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201100001251) 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, 33516666871 + ... + 33516666876.

It is an arithmetic number, because the mean of its divisors is an integer number (67033333748).

Almost surely, 2^201100001241 is an apocalyptic number.

It is an amenable number.

201100001241 is a deficient number, since it is larger than the sum of its proper divisors (67033333751).

201100001241 is an equidigital number, since it uses as much as digits as its factorization.

201100001241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67033333750.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201100001241 its reverse (142100001102), we get a palindrome (343200002343).

The spelling of 201100001241 in words is "two hundred one billion, one hundred million, one thousand, two hundred forty-one".