2221320122411 has 48 divisors (see below), whose sum is σ = 2567468930880. Its totient is φ = 1909165040640.

The previous prime is 2221320122393. The next prime is 2221320122449. The reversal of 2221320122411 is 1142210231222.

It is not a de Polignac number, because 2221320122411 - 2¹⁰ = 2221320121387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221320122471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128845730 + ... + 128862968.

It is an arithmetic number, because the mean of its divisors is an integer number (53488936060).

Almost surely, 2^{2221320122411} is an apocalyptic number.

2221320122411 is a deficient number, since it is larger than the sum of its proper divisors (346148808469).

2221320122411 is a wasteful number, since it uses less digits than its factorization.

2221320122411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17796 (or 17773 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2221320122411 its reverse (1142210231222), we get a palindrome (3363530353633).

The spelling of 2221320122411 in words is "two trillion, two hundred twenty-one billion, three hundred twenty million, one hundred twenty-two thousand, four hundred eleven".