21000301113 has 32 divisors (see below), whose sum is σ = 31174202880. Its totient is φ = 12467197440.

The previous prime is 21000301097. The next prime is 21000301129. The reversal of 21000301113 is 31110300012.

It is an interprime number because it is at equal distance from previous prime (21000301097) and next prime (21000301129).

It is not a de Polignac number, because 21000301113 - 2⁴ = 21000301097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21000301313) 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, 531945 + ... + 570057.

It is an arithmetic number, because the mean of its divisors is an integer number (974193840).

Almost surely, 2^21000301113 is an apocalyptic number.

It is an amenable number.

21000301113 is a deficient number, since it is larger than the sum of its proper divisors (10173901767).

21000301113 is a wasteful number, since it uses less digits than its factorization.

21000301113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38469.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 21000301113 its reverse (31110300012), we get a palindrome (52110601125).

The spelling of 21000301113 in words is "twenty-one billion, three hundred one thousand, one hundred thirteen".