21113201203319 has 2 divisors, whose sum is σ = 21113201203320. Its totient is φ = 21113201203318.

The previous prime is 21113201203309. The next prime is 21113201203361. The reversal of 21113201203319 is 91330210231112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21113201203319 - 2¹⁶ = 21113201137783 is a prime.

It is a super-2 number, since 2×21113201203319² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21113201203291 and 21113201203300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21113201203309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556600601659 + 10556600601660.

It is an arithmetic number, because the mean of its divisors is an integer number (10556600601660).

Almost surely, 2^{21113201203319} is an apocalyptic number.

21113201203319 is a deficient number, since it is larger than the sum of its proper divisors (1).

21113201203319 is an equidigital number, since it uses as much as digits as its factorization.

21113201203319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 21113201203319 in words is "twenty-one trillion, one hundred thirteen billion, two hundred one million, two hundred three thousand, three hundred nineteen".