102013012111 has 4 divisors (see below), whose sum is σ = 102013733224. Its totient is φ = 102012291000.

The previous prime is 102013012097. The next prime is 102013012163. The reversal of 102013012111 is 111210310201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102013012111 - 2⁹ = 102013011599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102013012091 and 102013012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102013012181) 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 3 ways as a sum of consecutive naturals, for example, 70665 + ... + 457186.

It is an arithmetic number, because the mean of its divisors is an integer number (25503433306).

Almost surely, 2^102013012111 is an apocalyptic number.

102013012111 is a deficient number, since it is larger than the sum of its proper divisors (721113).

102013012111 is an equidigital number, since it uses as much as digits as its factorization.

102013012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721112.

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

Adding to 102013012111 its reverse (111210310201), we get a palindrome (213223322312).

The spelling of 102013012111 in words is "one hundred two billion, thirteen million, twelve thousand, one hundred eleven".