112122012210121 has 8 divisors (see below), whose sum is σ = 112396788544040. Its totient is φ = 111847238995968.

The previous prime is 112122012210119. The next prime is 112122012210283. The reversal of 112122012210121 is 121012210221211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25502954502025 + 86619057708096 = 5050045^2 + 9306936^2 .

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 112122012210121 - 2¹ = 112122012210119 is a prime.

It is a super-2 number, since 2×112122012210121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112122012210101) 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, 81913465 + ... + 83271001.

It is an arithmetic number, because the mean of its divisors is an integer number (14049598568005).

Almost surely, 2^{112122012210121} is an apocalyptic number.

It is an amenable number.

112122012210121 is a deficient number, since it is larger than the sum of its proper divisors (274776333919).

112122012210121 is a wasteful number, since it uses less digits than its factorization.

112122012210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559883.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112122012210121 its reverse (121012210221211), we get a palindrome (233134222431332).

The spelling of 112122012210121 in words is "one hundred twelve trillion, one hundred twenty-two billion, twelve million, two hundred ten thousand, one hundred twenty-one".