2220031122211 has 4 divisors (see below), whose sum is σ = 2537178425392. Its totient is φ = 1902883819032.

The previous prime is 2220031122209. The next prime is 2220031122241. The reversal of 2220031122211 is 1122211300222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2220031122211 - 2¹ = 2220031122209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220031122241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158573651580 + ... + 158573651593.

It is an arithmetic number, because the mean of its divisors is an integer number (634294606348).

Almost surely, 2^{2220031122211} is an apocalyptic number.

2220031122211 is a deficient number, since it is larger than the sum of its proper divisors (317147303181).

2220031122211 is an equidigital number, since it uses as much as digits as its factorization.

2220031122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317147303180.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2220031122211 its reverse (1122211300222), we get a palindrome (3342242422433).

The spelling of 2220031122211 in words is "two trillion, two hundred twenty billion, thirty-one million, one hundred twenty-two thousand, two hundred eleven".