211112021219 has 8 divisors (see below), whose sum is σ = 230618225712. Its totient is φ = 191658183840.

The previous prime is 211112021203. The next prime is 211112021233. The reversal of 211112021219 is 912120211112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211112021219 - 2⁴ = 211112021203 is a prime.

It is a super-2 number, since 2×211112021219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211112021194 and 211112021203.

It is not an unprimeable number, because it can be changed into a prime (211112021269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13083344 + ... + 13099469.

It is an arithmetic number, because the mean of its divisors is an integer number (28827278214).

Almost surely, 2^211112021219 is an apocalyptic number.

211112021219 is a deficient number, since it is larger than the sum of its proper divisors (19506204493).

211112021219 is a wasteful number, since it uses less digits than its factorization.

211112021219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26183557.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 211112021219 in words is "two hundred eleven billion, one hundred twelve million, twenty-one thousand, two hundred nineteen".