2021011313143 has 2 divisors, whose sum is σ = 2021011313144. Its totient is φ = 2021011313142.

The previous prime is 2021011313117. The next prime is 2021011313147. The reversal of 2021011313143 is 3413131101202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021011313143 - 2³³ = 2012421378551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021011313147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010505656571 + 1010505656572.

It is an arithmetic number, because the mean of its divisors is an integer number (1010505656572).

Almost surely, 2^{2021011313143} is an apocalyptic number.

2021011313143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021011313143 is an equidigital number, since it uses as much as digits as its factorization.

2021011313143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2021011313143 its reverse (3413131101202), we get a palindrome (5434142414345).

The spelling of 2021011313143 in words is "two trillion, twenty-one billion, eleven million, three hundred thirteen thousand, one hundred forty-three".