112121210221123 has 8 divisors (see below), whose sum is σ = 112164446689056. Its totient is φ = 112077975144000.

The previous prime is 112121210221103. The next prime is 112121210221169. The reversal of 112121210221123 is 321122012121211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112121210221123 is a prime.

It is a super-2 number, since 2×112121210221123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112121210221094 and 112121210221103.

It is not an unprimeable number, because it can be changed into a prime (112121210221103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178593673 + ... + 179220373.

It is an arithmetic number, because the mean of its divisors is an integer number (14020555836132).

Almost surely, 2^{112121210221123} is an apocalyptic number.

112121210221123 is a deficient number, since it is larger than the sum of its proper divisors (43236467933).

112121210221123 is an equidigital number, since it uses as much as digits as its factorization.

112121210221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695405.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 112121210221123 its reverse (321122012121211), we get a palindrome (433243222342334).

The spelling of 112121210221123 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty-three".