21200011119 has 16 divisors (see below), whose sum is σ = 35894199040. Its totient is φ = 12114291960.

The previous prime is 21200011117. The next prime is 21200011139. The reversal of 21200011119 is 91111000212.

It is a happy number.

It is not a de Polignac number, because 21200011119 - 2¹ = 21200011117 is a prime.

It is a super-2 number, since 2×21200011119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200011117) 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, 56084497 + ... + 56084874.

It is an arithmetic number, because the mean of its divisors is an integer number (2243387440).

Almost surely, 2^21200011119 is an apocalyptic number.

21200011119 is a deficient number, since it is larger than the sum of its proper divisors (14694187921).

21200011119 is a wasteful number, since it uses less digits than its factorization.

21200011119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112169387 (or 112169381 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 21200011119 in words is "twenty-one billion, two hundred million, eleven thousand, one hundred nineteen".