2112312011011 has 8 divisors (see below), whose sum is σ = 2224890961920. Its totient is φ = 1999873523592.

The previous prime is 2112312011009. The next prime is 2112312011021. The reversal of 2112312011011 is 1101102132112.

It is a happy number.

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 2112312011011 - 2¹ = 2112312011009 is a prime.

It is a super-2 number, since 2×2112312011011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112312011021) 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, 35084995 + ... + 35145148.

It is an arithmetic number, because the mean of its divisors is an integer number (278111370240).

Almost surely, 2^{2112312011011} is an apocalyptic number.

2112312011011 is a deficient number, since it is larger than the sum of its proper divisors (112578950909).

2112312011011 is a wasteful number, since it uses less digits than its factorization.

2112312011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70231745.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 2112312011011 its reverse (1101102132112), we get a palindrome (3213414143123).

The spelling of 2112312011011 in words is "two trillion, one hundred twelve billion, three hundred twelve million, eleven thousand, eleven".