21462016111 has 2 divisors, whose sum is σ = 21462016112. Its totient is φ = 21462016110.

The previous prime is 21462016099. The next prime is 21462016171. The reversal of 21462016111 is 11161026412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21462016111 - 2¹⁵ = 21461983343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21462016171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10731008055 + 10731008056.

It is an arithmetic number, because the mean of its divisors is an integer number (10731008056).

Almost surely, 2^21462016111 is an apocalyptic number.

21462016111 is a deficient number, since it is larger than the sum of its proper divisors (1).

21462016111 is an equidigital number, since it uses as much as digits as its factorization.

21462016111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 21462016111 in words is "twenty-one billion, four hundred sixty-two million, sixteen thousand, one hundred eleven".