20111303201 has 16 divisors (see below), whose sum is σ = 22900036608. Its totient is φ = 17483096400.

The previous prime is 20111303197. The next prime is 20111303209. The reversal of 20111303201 is 10230311102.

It is not a de Polignac number, because 20111303201 - 2² = 20111303197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111303209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1085546 + ... + 1103916.

It is an arithmetic number, because the mean of its divisors is an integer number (1431252288).

Almost surely, 2^20111303201 is an apocalyptic number.

It is an amenable number.

20111303201 is a deficient number, since it is larger than the sum of its proper divisors (2788733407).

20111303201 is a wasteful number, since it uses less digits than its factorization.

20111303201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22732.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20111303201 its reverse (10230311102), we get a palindrome (30341614303).

The spelling of 20111303201 in words is "twenty billion, one hundred eleven million, three hundred three thousand, two hundred one".