20102311113 has 16 divisors (see below), whose sum is σ = 28392774336. Its totient is φ = 12607418880.

The previous prime is 20102311091. The next prime is 20102311127. The reversal of 20102311113 is 31111320102.

It is a happy number.

It is not a de Polignac number, because 20102311113 - 2⁵ = 20102311081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20102311092 and 20102311101.

It is not an unprimeable number, because it can be changed into a prime (20102311183) 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 15 ways as a sum of consecutive naturals, for example, 22893 + ... + 201813.

It is an arithmetic number, because the mean of its divisors is an integer number (1774548396).

Almost surely, 2^20102311113 is an apocalyptic number.

It is an amenable number.

20102311113 is a deficient number, since it is larger than the sum of its proper divisors (8290463223).

20102311113 is a wasteful number, since it uses less digits than its factorization.

20102311113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181144.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20102311113 its reverse (31111320102), we get a palindrome (51213631215).

It can be divided in two parts, 20102 and 311113, that multiplied together give a palindrome (6253993526).

The spelling of 20102311113 in words is "twenty billion, one hundred two million, three hundred eleven thousand, one hundred thirteen".