112021122002121 has 20 divisors (see below), whose sum is σ = 167385705020292. Its totient is φ = 74660437564128.

The previous prime is 112021122002081. The next prime is 112021122002221. The reversal of 112021122002121 is 121200221120211.

112021122002121 is a `hidden beast` number, since 1 + 1 + 20 + 211 + 220 + 0 + 212 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35777576622096 + 76243545380025 = 5981436^2 + 8731755^2 .

It is not a de Polignac number, because 112021122002121 - 2⁷ = 112021122001993 is a prime.

It is a super-2 number, since 2×112021122002121² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112021122002094 and 112021122002103.

It is not an unprimeable number, because it can be changed into a prime (112021122002221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 187759930 + ... + 188355603.

Almost surely, 2^{112021122002121} is an apocalyptic number.

It is an amenable number.

112021122002121 is a deficient number, since it is larger than the sum of its proper divisors (55364583018171).

112021122002121 is an equidigital number, since it uses as much as digits as its factorization.

112021122002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376119222 (or 376119213 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112021122002121 its reverse (121200221120211), we get a palindrome (233221343122332).

The spelling of 112021122002121 in words is "one hundred twelve trillion, twenty-one billion, one hundred twenty-two million, two thousand, one hundred twenty-one".