21003014314111 has 2 divisors, whose sum is σ = 21003014314112. Its totient is φ = 21003014314110.

The previous prime is 21003014314099. The next prime is 21003014314147. The reversal of 21003014314111 is 11141341030012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21003014314111 - 2³⁷ = 20865575360639 is a prime.

It is a super-2 number, since 2×21003014314111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21003014314151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10501507157055 + 10501507157056.

It is an arithmetic number, because the mean of its divisors is an integer number (10501507157056).

Almost surely, 2^{21003014314111} is an apocalyptic number.

21003014314111 is a deficient number, since it is larger than the sum of its proper divisors (1).

21003014314111 is an equidigital number, since it uses as much as digits as its factorization.

21003014314111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 21003014314111 its reverse (11141341030012), we get a palindrome (32144355344123).

The spelling of 21003014314111 in words is "twenty-one trillion, three billion, fourteen million, three hundred fourteen thousand, one hundred eleven".