2221141520522 has 32 divisors (see below), whose sum is σ = 3461018317200. Its totient is φ = 1068163227648.

The previous prime is 2221141520519. The next prime is 2221141520551. The reversal of 2221141520522 is 2250251411222.

It can be written as a sum of positive squares in 8 ways, for example, as 374910065401 + 1846231455121 = 612299^2 + 1358761^2 .

It is an unprimeable number.

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, 29685254 + ... + 29759982.

Almost surely, 2^{2221141520522} is an apocalyptic number.

2221141520522 is a deficient number, since it is larger than the sum of its proper divisors (1239876796678).

2221141520522 is a wasteful number, since it uses less digits than its factorization.

2221141520522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79370.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 2221141520522 its reverse (2250251411222), we get a palindrome (4471392931744).

The spelling of 2221141520522 in words is "two trillion, two hundred twenty-one billion, one hundred forty-one million, five hundred twenty thousand, five hundred twenty-two".