211100021219 has 16 divisors (see below), whose sum is σ = 224085929760. Its totient is φ = 198177914880.

The previous prime is 211100021213. The next prime is 211100021261. The reversal of 211100021219 is 912120001112.

It is a cyclic number.

It is not a de Polignac number, because 211100021219 - 2⁴ = 211100021203 is a prime.

It is a super-2 number, since 2×211100021219² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211100021219.

It is not an unprimeable number, because it can be changed into a prime (211100021213) 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, 11058467 + ... + 11077539.

It is an arithmetic number, because the mean of its divisors is an integer number (14005370610).

Almost surely, 2^211100021219 is an apocalyptic number.

211100021219 is a deficient number, since it is larger than the sum of its proper divisors (12985908541).

211100021219 is a wasteful number, since it uses less digits than its factorization.

211100021219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20710.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 211100021219 in words is "two hundred eleven billion, one hundred million, twenty-one thousand, two hundred nineteen".