112212022212121 has 32 divisors (see below), whose sum is σ = 122305007784960. Its totient is φ = 102335161320000.

The previous prime is 112212022212113. The next prime is 112212022212127. The reversal of 112212022212121 is 121212220212211.

It is a cyclic number.

It is not a de Polignac number, because 112212022212121 - 2³ = 112212022212113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112212022212092 and 112212022212101.

It is not an unprimeable number, because it can be changed into a prime (112212022212127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4671012516 + ... + 4671036538.

It is an arithmetic number, because the mean of its divisors is an integer number (3822031493280).

Almost surely, 2^{112212022212121} is an apocalyptic number.

It is an amenable number.

112212022212121 is a deficient number, since it is larger than the sum of its proper divisors (10092985572839).

112212022212121 is a wasteful number, since it uses less digits than its factorization.

112212022212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36637.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 112212022212121 its reverse (121212220212211), we get a palindrome (233424242424332).

The spelling of 112212022212121 in words is "one hundred twelve trillion, two hundred twelve billion, twenty-two million, two hundred twelve thousand, one hundred twenty-one".