1021020120143 has 2 divisors, whose sum is σ = 1021020120144. Its totient is φ = 1021020120142.

The previous prime is 1021020120101. The next prime is 1021020120163. The reversal of 1021020120143 is 3410210201201.

It is a strong prime.

It is an emirp because it is prime and its reverse (3410210201201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021020120143 - 2⁸ = 1021020119887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021020120163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510510060071 + 510510060072.

It is an arithmetic number, because the mean of its divisors is an integer number (510510060072).

Almost surely, 2^{1021020120143} is an apocalyptic number.

1021020120143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021020120143 is an equidigital number, since it uses as much as digits as its factorization.

1021020120143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1021020120143 its reverse (3410210201201), we get a palindrome (4431230321344).

The spelling of 1021020120143 in words is "one trillion, twenty-one billion, twenty million, one hundred twenty thousand, one hundred forty-three".