112122121021121 has 16 divisors (see below), whose sum is σ = 113451290523648. Its totient is φ = 110800782691200.

The previous prime is 112122121021117. The next prime is 112122121021219. The reversal of 112122121021121 is 121120121221211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 112122121021121 - 2² = 112122121021117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112122121021093 and 112122121021102.

It is not an unprimeable number, because it can be changed into a prime (112122121021921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31261181 + ... + 34662741.

It is an arithmetic number, because the mean of its divisors is an integer number (7090705657728).

Almost surely, 2^{112122121021121} is an apocalyptic number.

It is an amenable number.

112122121021121 is a deficient number, since it is larger than the sum of its proper divisors (1329169502527).

112122121021121 is a wasteful number, since it uses less digits than its factorization.

112122121021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402712.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112122121021121 its reverse (121120121221211), we get a palindrome (233242242242332).

The spelling of 112122121021121 in words is "one hundred twelve trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty-one thousand, one hundred twenty-one".