2021013342344 has 8 divisors (see below), whose sum is σ = 3789400016910. Its totient is φ = 1010506671168.

The previous prime is 2021013342317. The next prime is 2021013342371. The reversal of 2021013342344 is 4432433101202.

It is an interprime number because it is at equal distance from previous prime (2021013342317) and next prime (2021013342371).

It can be written as a sum of positive squares in only one way, i.e., 1978135357444 + 42877984900 = 1406462^2 + 207070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2021013342344² (a number of 25 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 126313333889 + ... + 126313333904.

Almost surely, 2^{2021013342344} is an apocalyptic number.

It is an amenable number.

2021013342344 is a deficient number, since it is larger than the sum of its proper divisors (1768386674566).

2021013342344 is a wasteful number, since it uses less digits than its factorization.

2021013342344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252626667799 (or 252626667795 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2021013342344 its reverse (4432433101202), we get a palindrome (6453446443546).

The spelling of 2021013342344 in words is "two trillion, twenty-one billion, thirteen million, three hundred forty-two thousand, three hundred forty-four".