112221202121 has 8 divisors (see below), whose sum is σ = 135002950080. Its totient is φ = 91126991088.

The previous prime is 112221202103. The next prime is 112221202127. The reversal of 112221202121 is 121202122211.

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

It is not a de Polignac number, because 112221202121 - 2³⁰ = 111147460297 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 112221202121.

It is not an unprimeable number, because it can be changed into a prime (112221202127) 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, 421884086 + ... + 421884351.

It is an arithmetic number, because the mean of its divisors is an integer number (16875368760).

Almost surely, 2^112221202121 is an apocalyptic number.

It is an amenable number.

112221202121 is a deficient number, since it is larger than the sum of its proper divisors (22781747959).

112221202121 is an equidigital number, since it uses as much as digits as its factorization.

112221202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843768463.

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

Adding to 112221202121 its reverse (121202122211), we get a palindrome (233423324332).

The spelling of 112221202121 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred two thousand, one hundred twenty-one".