20111241001 has 16 divisors (see below), whose sum is σ = 21070108800. Its totient is φ = 19171208448.

The previous prime is 20111240983. The next prime is 20111241019. The reversal of 20111241001 is 10014211102.

It is an interprime number because it is at equal distance from previous prime (20111240983) and next prime (20111241019).

It is a cyclic number.

It is not a de Polignac number, because 20111241001 - 2⁹ = 20111240489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111241401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996630 + ... + 1016608.

It is an arithmetic number, because the mean of its divisors is an integer number (1316881800).

Almost surely, 2^20111241001 is an apocalyptic number.

It is an amenable number.

20111241001 is a deficient number, since it is larger than the sum of its proper divisors (958867799).

20111241001 is a wasteful number, since it uses less digits than its factorization.

20111241001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20448.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20111241001 its reverse (10014211102), we get a palindrome (30125452103).

The spelling of 20111241001 in words is "twenty billion, one hundred eleven million, two hundred forty-one thousand, one".