2112220221011 has 32 divisors (see below), whose sum is σ = 2188985610240. Its totient is φ = 2037246775200.

The previous prime is 2112220220989. The next prime is 2112220221031. The reversal of 2112220221011 is 1101220222112.

It is a cyclic number.

It is not a de Polignac number, because 2112220221011 - 2¹⁸ = 2112219958867 is a prime.

It is a super-2 number, since 2×2112220221011² (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 (2112220221031) 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, 591490856 + ... + 591494426.

It is an arithmetic number, because the mean of its divisors is an integer number (68405800320).

Almost surely, 2^{2112220221011} is an apocalyptic number.

2112220221011 is a deficient number, since it is larger than the sum of its proper divisors (76765389229).

2112220221011 is a wasteful number, since it uses less digits than its factorization.

2112220221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607.

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

Adding to 2112220221011 its reverse (1101220222112), we get a palindrome (3213440443123).

The spelling of 2112220221011 in words is "two trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty-one thousand, eleven".