21514422104311 has 2 divisors, whose sum is σ = 21514422104312. Its totient is φ = 21514422104310.

The previous prime is 21514422104299. The next prime is 21514422104317. The reversal of 21514422104311 is 11340122441512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21514422104311 - 2⁷ = 21514422104183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21514422104317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10757211052155 + 10757211052156.

It is an arithmetic number, because the mean of its divisors is an integer number (10757211052156).

Almost surely, 2^{21514422104311} is an apocalyptic number.

21514422104311 is a deficient number, since it is larger than the sum of its proper divisors (1).

21514422104311 is an equidigital number, since it uses as much as digits as its factorization.

21514422104311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 21514422104311 its reverse (11340122441512), we get a palindrome (32854544545823).

The spelling of 21514422104311 in words is "twenty-one trillion, five hundred fourteen billion, four hundred twenty-two million, one hundred four thousand, three hundred eleven".