13100020011 has 12 divisors (see below), whose sum is σ = 20377809088. Its totient is φ = 8061550704.

The previous prime is 13100020009. The next prime is 13100020019. The reversal of 13100020011 is 11002000131.

It is not a de Polignac number, because 13100020011 - 2¹ = 13100020009 is a prime.

It is a super-2 number, since 2×13100020011² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 13100019975 and 13100020002.

It is not an unprimeable number, because it can be changed into a prime (13100020019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55982875 + ... + 55983108.

Almost surely, 2^13100020011 is an apocalyptic number.

13100020011 is a deficient number, since it is larger than the sum of its proper divisors (7277789077).

13100020011 is a wasteful number, since it uses less digits than its factorization.

13100020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111966002 (or 111965999 counting only the distinct ones).

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

Adding to 13100020011 its reverse (11002000131), we get a palindrome (24102020142).

The spelling of 13100020011 in words is "thirteen billion, one hundred million, twenty thousand, eleven".