112220102200121 has 8 divisors (see below), whose sum is σ = 112307791908840. Its totient is φ = 112132414291968.

The previous prime is 112220102200117. The next prime is 112220102200147. The reversal of 112220102200121 is 121002201022211.

It can be written as a sum of positive squares in 4 ways, for example, as 104553079014400 + 7667023185721 = 10225120^2 + 2768939^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 112220102200121 - 2² = 112220102200117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112220102200121.

It is not an unprimeable number, because it can be changed into a prime (112220102100121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141768185 + ... + 142557561.

It is an arithmetic number, because the mean of its divisors is an integer number (14038473988605).

Almost surely, 2^{112220102200121} is an apocalyptic number.

It is an amenable number.

112220102200121 is a deficient number, since it is larger than the sum of its proper divisors (87689708719).

112220102200121 is a wasteful number, since it uses less digits than its factorization.

112220102200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900283.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112220102200121 its reverse (121002201022211), we get a palindrome (233222303222332).

The spelling of 112220102200121 in words is "one hundred twelve trillion, two hundred twenty billion, one hundred two million, two hundred thousand, one hundred twenty-one".