20111002113 has 8 divisors (see below), whose sum is σ = 27154096000. Its totient is φ = 13237621488.

The previous prime is 20111002097. The next prime is 20111002117. The reversal of 20111002113 is 31120011102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20111002113 - 2⁴ = 20111002097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111002117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42428038 + ... + 42428511.

It is an arithmetic number, because the mean of its divisors is an integer number (3394262000).

Almost surely, 2^20111002113 is an apocalyptic number.

It is an amenable number.

20111002113 is a deficient number, since it is larger than the sum of its proper divisors (7043093887).

20111002113 is an equidigital number, since it uses as much as digits as its factorization.

20111002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84856631.

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

Adding to 20111002113 its reverse (31120011102), we get a palindrome (51231013215).

The spelling of 20111002113 in words is "twenty billion, one hundred eleven million, two thousand, one hundred thirteen".