112111212022221 has 8 divisors (see below), whose sum is σ = 152662075945344. Its totient is φ = 73150578056960.

The previous prime is 112111212022211. The next prime is 112111212022223. The reversal of 112111212022221 is 122220212111211.

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 112111212022221 - 2⁷ = 112111212022093 is a prime.

It is a super-2 number, since 2×112111212022221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111212022223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397557489300 + ... + 397557489581.

It is an arithmetic number, because the mean of its divisors is an integer number (19082759493168).

Almost surely, 2^{112111212022221} is an apocalyptic number.

It is an amenable number.

112111212022221 is a deficient number, since it is larger than the sum of its proper divisors (40550863923123).

112111212022221 is an equidigital number, since it uses as much as digits as its factorization.

112111212022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795114978931.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 112111212022221 its reverse (122220212111211), we get a palindrome (234331424133432).

The spelling of 112111212022221 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred twelve million, twenty-two thousand, two hundred twenty-one".