21310201141 has 2 divisors, whose sum is σ = 21310201142. Its totient is φ = 21310201140.

The previous prime is 21310201079. The next prime is 21310201147. The reversal of 21310201141 is 14110201312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13129722225 + 8180478916 = 114585^2 + 90446^2 .

It is a cyclic number.

It is not a de Polignac number, because 21310201141 - 2¹⁹ = 21309676853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21310201147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10655100570 + 10655100571.

It is an arithmetic number, because the mean of its divisors is an integer number (10655100571).

Almost surely, 2^21310201141 is an apocalyptic number.

It is an amenable number.

21310201141 is a deficient number, since it is larger than the sum of its proper divisors (1).

21310201141 is an equidigital number, since it uses as much as digits as its factorization.

21310201141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21310201141 its reverse (14110201312), we get a palindrome (35420402453).

The spelling of 21310201141 in words is "twenty-one billion, three hundred ten million, two hundred one thousand, one hundred forty-one".