2112212112011 has 8 divisors (see below), whose sum is σ = 2180755928064. Its totient is φ = 2043693792360.

The previous prime is 2112212112007. The next prime is 2112212112061. The reversal of 2112212112011 is 1102112122112.

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 2112212112011 - 2² = 2112212112007 is a prime.

It is a super-2 number, since 2×2112212112011² (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 (2112212112061) 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, 6205655 + ... + 6537168.

It is an arithmetic number, because the mean of its divisors is an integer number (272594491008).

Almost surely, 2^{2112212112011} is an apocalyptic number.

2112212112011 is a deficient number, since it is larger than the sum of its proper divisors (68543816053).

2112212112011 is a wasteful number, since it uses less digits than its factorization.

2112212112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12748201.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2112212112011 its reverse (1102112122112), we get a palindrome (3214324234123).

It can be divided in two parts, 211221 and 2112011, that added together give a palindrome (2323232).

The spelling of 2112212112011 in words is "two trillion, one hundred twelve billion, two hundred twelve million, one hundred twelve thousand, eleven".