21034112413411 has 2 divisors, whose sum is σ = 21034112413412. Its totient is φ = 21034112413410.

The previous prime is 21034112413393. The next prime is 21034112413421. The reversal of 21034112413411 is 11431421143012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21034112413411 - 2²³ = 21034104024803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21034112413411.

It is not a weakly prime, because it can be changed into another prime (21034112413421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10517056206705 + 10517056206706.

It is an arithmetic number, because the mean of its divisors is an integer number (10517056206706).

Almost surely, 2^{21034112413411} is an apocalyptic number.

21034112413411 is a deficient number, since it is larger than the sum of its proper divisors (1).

21034112413411 is an equidigital number, since it uses as much as digits as its factorization.

21034112413411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 21034112413411 its reverse (11431421143012), we get a palindrome (32465533556423).

The spelling of 21034112413411 in words is "twenty-one trillion, thirty-four billion, one hundred twelve million, four hundred thirteen thousand, four hundred eleven".