1012221321022 has 16 divisors (see below), whose sum is σ = 1534998003840. Its totient is φ = 500570603928.

The previous prime is 1012221320993. The next prime is 1012221321061. The reversal of 1012221321022 is 2201231222101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3688218 + ... + 3953149.

It is an arithmetic number, because the mean of its divisors is an integer number (95937375240).

Almost surely, 2^{1012221321022} is an apocalyptic number.

1012221321022 is a deficient number, since it is larger than the sum of its proper divisors (522776682818).

1012221321022 is a wasteful number, since it uses less digits than its factorization.

1012221321022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7642095.

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

Adding to 1012221321022 its reverse (2201231222101), we get a palindrome (3213452543123).

The spelling of 1012221321022 in words is "one trillion, twelve billion, two hundred twenty-one million, three hundred twenty-one thousand, twenty-two".