1022013331013 has 4 divisors (see below), whose sum is σ = 1027201216140. Its totient is φ = 1016825445888.

The previous prime is 1022013330941. The next prime is 1022013331049. The reversal of 1022013331013 is 3101333102201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 546131346049 + 475881984964 = 739007^2 + 689842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022013331013 - 2²⁰ = 1022012282437 is a prime.

It is a super-2 number, since 2×1022013331013² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022013331513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2593942268 + ... + 2593942661.

It is an arithmetic number, because the mean of its divisors is an integer number (256800304035).

Almost surely, 2^{1022013331013} is an apocalyptic number.

It is an amenable number.

1022013331013 is a deficient number, since it is larger than the sum of its proper divisors (5187885127).

1022013331013 is an equidigital number, since it uses as much as digits as its factorization.

1022013331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187885126.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1022013331013 its reverse (3101333102201), we get a palindrome (4123346433214).

The spelling of 1022013331013 in words is "one trillion, twenty-two billion, thirteen million, three hundred thirty-one thousand, thirteen".