20111300001 has 32 divisors (see below), whose sum is σ = 32097806720. Its totient is φ = 12371787072.

The previous prime is 20111299963. The next prime is 20111300009. The reversal of 20111300001 is 10000311102.

It is not a de Polignac number, because 20111300001 - 2⁶ = 20111299937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111300009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1175430 + ... + 1192416.

It is an arithmetic number, because the mean of its divisors is an integer number (1003056460).

Almost surely, 2^20111300001 is an apocalyptic number.

It is an amenable number.

20111300001 is a deficient number, since it is larger than the sum of its proper divisors (11986506719).

20111300001 is a wasteful number, since it uses less digits than its factorization.

20111300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20382 (or 20376 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 20111300001 its reverse (10000311102), we get a palindrome (30111611103).

The spelling of 20111300001 in words is "twenty billion, one hundred eleven million, three hundred thousand, one".