2013110121 has 32 divisors (see below), whose sum is σ = 3062126592. Its totient is φ = 1164479360.

The previous prime is 2013110111. The next prime is 2013110129. The reversal of 2013110121 is 1210113102.

It is not a de Polignac number, because 2013110121 - 2⁷ = 2013109993 is a prime.

It is a super-2 number, since 2×2013110121² = 8105224718545269282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2013110097 and 2013110106.

It is not an unprimeable number, because it can be changed into a prime (2013110129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379141 + ... + 384413.

It is an arithmetic number, because the mean of its divisors is an integer number (95691456).

Almost surely, 2^2013110121 is an apocalyptic number.

It is an amenable number.

2013110121 is a deficient number, since it is larger than the sum of its proper divisors (1049016471).

2013110121 is a wasteful number, since it uses less digits than its factorization.

2013110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813.

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

The square root of 2013110121 is about 44867.6957398082. The cubic root of 2013110121 is about 1262.6680093502.

Adding to 2013110121 its reverse (1210113102), we get a palindrome (3223223223).

The spelling of 2013110121 in words is "two billion, thirteen million, one hundred ten thousand, one hundred twenty-one".