21200101111219 has 12 divisors (see below), whose sum is σ = 21743552811880. Its totient is φ = 20669924073600.

The previous prime is 21200101111181. The next prime is 21200101111249. The reversal of 21200101111219 is 91211110100212.

It is a happy number.

It is not a de Polignac number, because 21200101111219 - 2¹¹ = 21200101109171 is a prime.

It is a super-2 number, since 2×21200101111219² (a number of 27 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 21200101111219.

It is not an unprimeable number, because it can be changed into a prime (21200101111249) 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 11 ways as a sum of consecutive naturals, for example, 1339242 + ... + 6647839.

Almost surely, 2^{21200101111219} is an apocalyptic number.

21200101111219 is a deficient number, since it is larger than the sum of its proper divisors (543451700661).

21200101111219 is an equidigital number, since it uses as much as digits as its factorization.

21200101111219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7988742 (or 7988701 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 21200101111219 in words is "twenty-one trillion, two hundred billion, one hundred one million, one hundred eleven thousand, two hundred nineteen".