21200220119 has 4 divisors (see below), whose sum is σ = 22831006296. Its totient is φ = 19569433944.

The previous prime is 21200220113. The next prime is 21200220131. The reversal of 21200220119 is 91102200212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21200220119 - 2¹⁶ = 21200154583 is a prime.

It is a super-2 number, since 2×21200220119² (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 21200220119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200220113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815393069 + ... + 815393094.

It is an arithmetic number, because the mean of its divisors is an integer number (5707751574).

Almost surely, 2^21200220119 is an apocalyptic number.

21200220119 is a deficient number, since it is larger than the sum of its proper divisors (1630786177).

21200220119 is a wasteful number, since it uses less digits than its factorization.

21200220119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630786176.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 21200220119 in words is "twenty-one billion, two hundred million, two hundred twenty thousand, one hundred nineteen".