21113001319 has 8 divisors (see below), whose sum is σ = 21293707248. Its totient is φ = 20932591680.

The previous prime is 21113001307. The next prime is 21113001337. The reversal of 21113001319 is 91310031112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21113001319 - 2¹⁵ = 21112968551 is a prime.

It is a super-2 number, since 2×21113001319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21113001319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113001389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70249 + ... + 217165.

It is an arithmetic number, because the mean of its divisors is an integer number (2661713406).

Almost surely, 2^21113001319 is an apocalyptic number.

21113001319 is a deficient number, since it is larger than the sum of its proper divisors (180705929).

21113001319 is a wasteful number, since it uses less digits than its factorization.

21113001319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148145.

The product of its (nonzero) digits is 162, while the sum is 22.

The spelling of 21113001319 in words is "twenty-one billion, one hundred thirteen million, one thousand, three hundred nineteen".