21200211219 has 16 divisors (see below), whose sum is σ = 31079485440. Its totient is φ = 12747440160.

The previous prime is 21200211203. The next prime is 21200211239. The reversal of 21200211219 is 91211200212.

It is not a de Polignac number, because 21200211219 - 2⁴ = 21200211203 is a prime.

It is a super-2 number, since 2×21200211219² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21200211195 and 21200211204.

It is not an unprimeable number, because it can be changed into a prime (21200211239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2525064 + ... + 2533445.

It is an arithmetic number, because the mean of its divisors is an integer number (1942467840).

Almost surely, 2^21200211219 is an apocalyptic number.

21200211219 is a deficient number, since it is larger than the sum of its proper divisors (9879274221).

21200211219 is a wasteful number, since it uses less digits than its factorization.

21200211219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058650.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 21200211219 in words is "twenty-one billion, two hundred million, two hundred eleven thousand, two hundred nineteen".