21142102030141 has 2 divisors, whose sum is σ = 21142102030142. Its totient is φ = 21142102030140.

The previous prime is 21142102030097. The next prime is 21142102030193. The reversal of 21142102030141 is 14103020124112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21056397125625 + 85704904516 = 4588725^2 + 292754^2 .

It is a cyclic number.

It is not a de Polignac number, because 21142102030141 - 2³⁵ = 21107742291773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21142102037141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10571051015070 + 10571051015071.

It is an arithmetic number, because the mean of its divisors is an integer number (10571051015071).

Almost surely, 2^{21142102030141} is an apocalyptic number.

It is an amenable number.

21142102030141 is a deficient number, since it is larger than the sum of its proper divisors (1).

21142102030141 is an equidigital number, since it uses as much as digits as its factorization.

21142102030141 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 21142102030141 its reverse (14103020124112), we get a palindrome (35245122154253).

The spelling of 21142102030141 in words is "twenty-one trillion, one hundred forty-two billion, one hundred two million, thirty thousand, one hundred forty-one".