2221110023211 has 16 divisors (see below), whose sum is σ = 3352618905120. Its totient is φ = 1452801523680.

The previous prime is 2221110023189. The next prime is 2221110023221. The reversal of 2221110023211 is 1123200111222.

It is a de Polignac number, because none of the positive numbers 2^k-2221110023211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221110023221) 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 15 ways as a sum of consecutive naturals, for example, 776067760 + ... + 776070621.

It is an arithmetic number, because the mean of its divisors is an integer number (209538681570).

Almost surely, 2^{2221110023211} is an apocalyptic number.

2221110023211 is a deficient number, since it is larger than the sum of its proper divisors (1131508881909).

2221110023211 is a wasteful number, since it uses less digits than its factorization.

2221110023211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552138443 (or 1552138437 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2221110023211 its reverse (1123200111222), we get a palindrome (3344310134433).

The spelling of 2221110023211 in words is "two trillion, two hundred twenty-one billion, one hundred ten million, twenty-three thousand, two hundred eleven".