1022311220013 has 10 divisors (see below), whose sum is σ = 1527156267054. Its totient is φ = 681540813288.

The previous prime is 1022311220009. The next prime is 1022311220039. The reversal of 1022311220013 is 3100221132201.

It can be written as a sum of positive squares in only one way, i.e., 829114050249 + 193197169764 = 910557^2 + 439542^2 .

It is not a de Polignac number, because 1022311220013 - 2² = 1022311220009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022311222013) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6310563006 + ... + 6310563167.

Almost surely, 2^{1022311220013} is an apocalyptic number.

It is an amenable number.

1022311220013 is a deficient number, since it is larger than the sum of its proper divisors (504845047041).

1022311220013 is an equidigital number, since it uses as much as digits as its factorization.

1022311220013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12621126185 (or 12621126176 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1022311220013 its reverse (3100221132201), we get a palindrome (4122532352214).

The spelling of 1022311220013 in words is "one trillion, twenty-two billion, three hundred eleven million, two hundred twenty thousand, thirteen".