211121200121199 has 8 divisors (see below), whose sum is σ = 281495016187440. Its totient is φ = 140747425401216.

The previous prime is 211121200121177. The next prime is 211121200121213. The reversal of 211121200121199 is 991121002121112.

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

It is not a de Polignac number, because 211121200121199 - 2¹² = 211121200117103 is a prime.

It is a super-2 number, since 2×211121200121199² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121200121159) 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, 4704537 + ... + 21080205.

It is an arithmetic number, because the mean of its divisors is an integer number (35186877023430).

Almost surely, 2^{211121200121199} is an apocalyptic number.

211121200121199 is a deficient number, since it is larger than the sum of its proper divisors (70373816066241).

211121200121199 is a wasteful number, since it uses less digits than its factorization.

211121200121199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20673129.

The product of its (nonzero) digits is 1296, while the sum is 33.

The spelling of 211121200121199 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred million, one hundred twenty-one thousand, one hundred ninety-nine".