2112022021211 has 8 divisors (see below), whose sum is σ = 2313370977120. Its totient is φ = 1919241106048.

The previous prime is 2112022021181. The next prime is 2112022021289. The reversal of 2112022021211 is 1121202202112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112022021211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112022021211.

It is not an unprimeable number, because it can be changed into a prime (2112022021511) 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 7 ways as a sum of consecutive naturals, for example, 2142009671 + ... + 2142010656.

It is an arithmetic number, because the mean of its divisors is an integer number (289171372140).

Almost surely, 2^{2112022021211} is an apocalyptic number.

2112022021211 is a deficient number, since it is larger than the sum of its proper divisors (201348955909).

2112022021211 is a wasteful number, since it uses less digits than its factorization.

2112022021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284020373.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112022021211 its reverse (1121202202112), we get a palindrome (3233224223323).

The spelling of 2112022021211 in words is "two trillion, one hundred twelve billion, twenty-two million, twenty-one thousand, two hundred eleven".