21120062419 has 2 divisors, whose sum is σ = 21120062420. Its totient is φ = 21120062418.

The previous prime is 21120062417. The next prime is 21120062459. The reversal of 21120062419 is 91426002112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21120062419 - 2¹ = 21120062417 is a prime.

It is a super-2 number, since 2×21120062419² (a number of 21 digits) contains 22 as substring.

Together with 21120062417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (21120062417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10560031209 + 10560031210.

It is an arithmetic number, because the mean of its divisors is an integer number (10560031210).

Almost surely, 2^21120062419 is an apocalyptic number.

21120062419 is a deficient number, since it is larger than the sum of its proper divisors (1).

21120062419 is an equidigital number, since it uses as much as digits as its factorization.

21120062419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 21120062419 in words is "twenty-one billion, one hundred twenty million, sixty-two thousand, four hundred nineteen".