211211210221119 has 20 divisors (see below), whose sum is σ = 315516659249880. Its totient is φ = 140805859362480.

The previous prime is 211211210221111. The next prime is 211211210221147. The reversal of 211211210221119 is 911122012112112.

It is a happy number.

211211210221119 is a `hidden beast` number, since 2 + 1 + 1 + 211 + 210 + 221 + 1 + 19 = 666.

It is not a de Polignac number, because 211211210221119 - 2³ = 211211210221111 is a prime.

It is a super-2 number, since 2×211211210221119² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 211211210221092 and 211211210221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211211210221111) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7815024 + ... + 21988565.

It is an arithmetic number, because the mean of its divisors is an integer number (15775832962494).

Almost surely, 2^{211211210221119} is an apocalyptic number.

211211210221119 is a deficient number, since it is larger than the sum of its proper divisors (104305449028761).

211211210221119 is an equidigital number, since it uses as much as digits as its factorization.

211211210221119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29891092 (or 29891083 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 27.

The spelling of 211211210221119 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred ten million, two hundred twenty-one thousand, one hundred nineteen".