112220221122121 has 24 divisors (see below), whose sum is σ = 130638960545184. Its totient is φ = 96117261085440.

The previous prime is 112220221122103. The next prime is 112220221122143. The reversal of 112220221122121 is 121221122022211.

It is not a de Polignac number, because 112220221122121 - 2¹⁷ = 112220220991049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112220221122092 and 112220221122101.

It is not an unprimeable number, because it can be changed into a prime (112220221132121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370845546 + ... + 371148028.

It is an arithmetic number, because the mean of its divisors is an integer number (5443290022716).

Almost surely, 2^{112220221122121} is an apocalyptic number.

It is an amenable number.

112220221122121 is a deficient number, since it is larger than the sum of its proper divisors (18418739423063).

112220221122121 is a wasteful number, since it uses less digits than its factorization.

112220221122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308101 (or 308094 counting only the distinct ones).

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

Adding to 112220221122121 its reverse (121221122022211), we get a palindrome (233441343144332).

The spelling of 112220221122121 in words is "one hundred twelve trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-one".