20130001111 has 8 divisors (see below), whose sum is σ = 21966866064. Its totient is φ = 18294280320.

The previous prime is 20130001103. The next prime is 20130001141. The reversal of 20130001111 is 11110003102.

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

It is a cyclic number.

It is not a de Polignac number, because 20130001111 - 2³ = 20130001103 is a prime.

It is a super-2 number, since 2×20130001111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130001141) 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, 249040 + ... + 319813.

It is an arithmetic number, because the mean of its divisors is an integer number (2745858258).

Almost surely, 2^20130001111 is an apocalyptic number.

20130001111 is a deficient number, since it is larger than the sum of its proper divisors (1836864953).

20130001111 is a wasteful number, since it uses less digits than its factorization.

20130001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572081.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 20130001111 its reverse (11110003102), we get a palindrome (31240004213).

The spelling of 20130001111 in words is "twenty billion, one hundred thirty million, one thousand, one hundred eleven".