1021022002213 has 4 divisors (see below), whose sum is σ = 1048617191500. Its totient is φ = 993426812928.

The previous prime is 1021022002211. The next prime is 1021022002237. The reversal of 1021022002213 is 3122002201201.

It is a happy number.

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 871192624129 + 149829378084 = 933377^2 + 387078^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021022002213 - 2¹ = 1021022002211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021022002211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13797594588 + ... + 13797594661.

It is an arithmetic number, because the mean of its divisors is an integer number (262154297875).

Almost surely, 2^{1021022002213} is an apocalyptic number.

It is an amenable number.

1021022002213 is a deficient number, since it is larger than the sum of its proper divisors (27595189287).

1021022002213 is an equidigital number, since it uses as much as digits as its factorization.

1021022002213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27595189286.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1021022002213 its reverse (3122002201201), we get a palindrome (4143024203414).

The spelling of 1021022002213 in words is "one trillion, twenty-one billion, twenty-two million, two thousand, two hundred thirteen".