112212220021021 has 16 divisors (see below), whose sum is σ = 117415020918528. Its totient is φ = 107036565856000.

The previous prime is 112212220021019. The next prime is 112212220021063. The reversal of 112212220021021 is 120120022212211.

It is a cyclic number.

It is not a de Polignac number, because 112212220021021 - 2¹ = 112212220021019 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 112212220021021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212220021001) 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, 32200515 + ... + 35514751.

It is an arithmetic number, because the mean of its divisors is an integer number (7338438807408).

Almost surely, 2^{112212220021021} is an apocalyptic number.

It is an amenable number.

112212220021021 is a deficient number, since it is larger than the sum of its proper divisors (5202800897507).

112212220021021 is a wasteful number, since it uses less digits than its factorization.

112212220021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318332.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112212220021021 its reverse (120120022212211), we get a palindrome (232332242233232).

The spelling of 112212220021021 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred twenty million, twenty-one thousand, twenty-one".