20111013201 has 32 divisors (see below), whose sum is σ = 28984950400. Its totient is φ = 12364462080.

The previous prime is 20111013199. The next prime is 20111013271. The reversal of 20111013201 is 10231011102.

It is not a de Polignac number, because 20111013201 - 2¹ = 20111013199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111013271) 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 31 ways as a sum of consecutive naturals, for example, 307455 + ... + 367083.

It is an arithmetic number, because the mean of its divisors is an integer number (905779700).

Almost surely, 2^20111013201 is an apocalyptic number.

It is an amenable number.

20111013201 is a deficient number, since it is larger than the sum of its proper divisors (8873937199).

20111013201 is a wasteful number, since it uses less digits than its factorization.

20111013201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59809.

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

Adding to 20111013201 its reverse (10231011102), we get a palindrome (30342024303).

The spelling of 20111013201 in words is "twenty billion, one hundred eleven million, thirteen thousand, two hundred one".