121112101122201 has 48 divisors (see below), whose sum is σ = 200377207779840. Its totient is φ = 69052510074240.

The previous prime is 121112101122197. The next prime is 121112101122277. The reversal of 121112101122201 is 102221101211121.

It is a happy number.

121112101122201 is a `hidden beast` number, since 1 + 211 + 121 + 0 + 112 + 220 + 1 = 666.

It is not a de Polignac number, because 121112101122201 - 2² = 121112101122197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121112101122301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 429839395 + ... + 430121063.

It is an arithmetic number, because the mean of its divisors is an integer number (4174525162080).

Almost surely, 2^{121112101122201} is an apocalyptic number.

It is an amenable number.

121112101122201 is a deficient number, since it is larger than the sum of its proper divisors (79265106657639).

121112101122201 is a wasteful number, since it uses less digits than its factorization.

121112101122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296886 (or 296883 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 121112101122201 its reverse (102221101211121), we get a palindrome (223333202333322).

The spelling of 121112101122201 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred one million, one hundred twenty-two thousand, two hundred one".