2122112212011 has 32 divisors (see below), whose sum is σ = 3452694336000. Its totient is φ = 1277496851040.

The previous prime is 2122112211979. The next prime is 2122112212019. The reversal of 2122112212011 is 1102122112212.

2122112212011 is a `hidden beast` number, since 21 + 221 + 1 + 221 + 201 + 1 = 666.

It is not a de Polignac number, because 2122112212011 - 2⁵ = 2122112211979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122112212019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23932791 + ... + 24021296.

It is an arithmetic number, because the mean of its divisors is an integer number (107896698000).

Almost surely, 2^{2122112212011} is an apocalyptic number.

2122112212011 is a deficient number, since it is larger than the sum of its proper divisors (1330582123989).

2122112212011 is a wasteful number, since it uses less digits than its factorization.

2122112212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47954256 (or 47954250 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2122112212011 its reverse (1102122112212), we get a palindrome (3224234324223).

The spelling of 2122112212011 in words is "two trillion, one hundred twenty-two billion, one hundred twelve million, two hundred twelve thousand, eleven".