211221110112199 has 16 divisors (see below), whose sum is σ = 246661583472000. Its totient is φ = 178829647996320.

The previous prime is 211221110112163. The next prime is 211221110112227. The reversal of 211221110112199 is 991211011122112.

It is a cyclic number.

It is not a de Polignac number, because 211221110112199 - 2¹⁷ = 211221109981127 is a prime.

It is a super-2 number, since 2×211221110112199² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211221110112109) 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, 8564625984 + ... + 8564650645.

It is an arithmetic number, because the mean of its divisors is an integer number (15416348967000).

Almost surely, 2^{211221110112199} is an apocalyptic number.

211221110112199 is a deficient number, since it is larger than the sum of its proper divisors (35440473359801).

211221110112199 is a wasteful number, since it uses less digits than its factorization.

211221110112199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17129276718.

The product of its (nonzero) digits is 1296, while the sum is 34.

The spelling of 211221110112199 in words is "two hundred eleven trillion, two hundred twenty-one billion, one hundred ten million, one hundred twelve thousand, one hundred ninety-nine".