211121101219 has 8 divisors (see below), whose sum is σ = 255474273888. Its totient is φ = 170316182400.

The previous prime is 211121101207. The next prime is 211121101223. The reversal of 211121101219 is 912101121112.

It is a happy number.

211121101219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 211121101219 - 2⁷ = 211121101091 is a prime.

It is a super-2 number, since 2×211121101219² (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 211121101219.

It is not an unprimeable number, because it can be changed into a prime (211121101229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887063332 + ... + 887063569.

It is an arithmetic number, because the mean of its divisors is an integer number (31934284236).

Almost surely, 2^211121101219 is an apocalyptic number.

211121101219 is a deficient number, since it is larger than the sum of its proper divisors (44353172669).

211121101219 is a wasteful number, since it uses less digits than its factorization.

211121101219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774126925.

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

The spelling of 211121101219 in words is "two hundred eleven billion, one hundred twenty-one million, one hundred one thousand, two hundred nineteen".