211121200121197 has 8 divisors (see below), whose sum is σ = 214700268545280. Its totient is φ = 207542156463840.

The previous prime is 211121200121177. The next prime is 211121200121213. The reversal of 211121200121197 is 791121002121112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211121200121197 is a prime.

It is a super-2 number, since 2×211121200121197² (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 (211121200121137) 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, 11422788 + ... + 23510050.

It is an arithmetic number, because the mean of its divisors is an integer number (26837533568160).

Almost surely, 2^{211121200121197} is an apocalyptic number.

It is an amenable number.

211121200121197 is a deficient number, since it is larger than the sum of its proper divisors (3579068424083).

211121200121197 is a wasteful number, since it uses less digits than its factorization.

211121200121197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12383363.

The product of its (nonzero) digits is 1008, while the sum is 31.

The spelling of 211121200121197 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred million, one hundred twenty-one thousand, one hundred ninety-seven".