21002210113411 has 2 divisors, whose sum is σ = 21002210113412. Its totient is φ = 21002210113410.

The previous prime is 21002210113403. The next prime is 21002210113441. The reversal of 21002210113411 is 11431101220012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21002210113411 - 2³ = 21002210113403 is a prime.

It is not a weakly prime, because it can be changed into another prime (21002210113441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10501105056705 + 10501105056706.

It is an arithmetic number, because the mean of its divisors is an integer number (10501105056706).

Almost surely, 2^{21002210113411} is an apocalyptic number.

21002210113411 is a deficient number, since it is larger than the sum of its proper divisors (1).

21002210113411 is an equidigital number, since it uses as much as digits as its factorization.

21002210113411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 21002210113411 its reverse (11431101220012), we get a palindrome (32433311333423).

The spelling of 21002210113411 in words is "twenty-one trillion, two billion, two hundred ten million, one hundred thirteen thousand, four hundred eleven".