2101012421143 has 2 divisors, whose sum is σ = 2101012421144. Its totient is φ = 2101012421142.

The previous prime is 2101012421129. The next prime is 2101012421173. The reversal of 2101012421143 is 3411242101012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101012421143 - 2³⁷ = 1963573467671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101012421173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050506210571 + 1050506210572.

It is an arithmetic number, because the mean of its divisors is an integer number (1050506210572).

Almost surely, 2^{2101012421143} is an apocalyptic number.

2101012421143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101012421143 is an equidigital number, since it uses as much as digits as its factorization.

2101012421143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 2101012421143 its reverse (3411242101012), we get a palindrome (5512254522155).

The spelling of 2101012421143 in words is "two trillion, one hundred one billion, twelve million, four hundred twenty-one thousand, one hundred forty-three".