2113012011 has 16 divisors (see below), whose sum is σ = 3103907328. Its totient is φ = 1267932000.

The previous prime is 2113011961. The next prime is 2113012019. The reversal of 2113012011 is 1102103112.

It is not a de Polignac number, because 2113012011 - 2⁷ = 2113011883 is a prime.

It is a super-3 number, since 3×2113012011³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2113012019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313651 + ... + 320316.

It is an arithmetic number, because the mean of its divisors is an integer number (193994208).

Almost surely, 2^2113012011 is an apocalyptic number.

2113012011 is a deficient number, since it is larger than the sum of its proper divisors (990895317).

2113012011 is a wasteful number, since it uses less digits than its factorization.

2113012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634082.

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

The square root of 2113012011 is about 45967.5103850535. The cubic root of 2113012011 is about 1283.2186273070.

Adding to 2113012011 its reverse (1102103112), we get a palindrome (3215115123).

It can be divided in two parts, 211301 and 2011, that added together give a palindrome (213312).

The spelling of 2113012011 in words is "two billion, one hundred thirteen million, twelve thousand, eleven".