13100020012111 has 4 divisors (see below), whose sum is σ = 13162105415224. Its totient is φ = 13037934609000.

The previous prime is 13100020012073. The next prime is 13100020012117. The reversal of 13100020012111 is 11121002000131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13100020012111 - 2⁷ = 13100020011983 is a prime.

It is a super-2 number, since 2×13100020012111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13100020012091 and 13100020012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100020012117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31042701240 + ... + 31042701661.

It is an arithmetic number, because the mean of its divisors is an integer number (3290526353806).

Almost surely, 2^{13100020012111} is an apocalyptic number.

13100020012111 is a deficient number, since it is larger than the sum of its proper divisors (62085403113).

13100020012111 is an equidigital number, since it uses as much as digits as its factorization.

13100020012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62085403112.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 13100020012111 its reverse (11121002000131), we get a palindrome (24221022012242).

The spelling of 13100020012111 in words is "thirteen trillion, one hundred billion, twenty million, twelve thousand, one hundred eleven".