112121121022129 has 8 divisors (see below), whose sum is σ = 112863909983552. Its totient is φ = 111378335547600.

The previous prime is 112121121022111. The next prime is 112121121022139. The reversal of 112121121022129 is 921220121121211.

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-112121121022129 is a prime.

It is a super-2 number, since 2×112121121022129² (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 = 112121121022097 and 112121121022106.

It is not an unprimeable number, because it can be changed into a prime (112121121022109) 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, 111287287 + ... + 112290259.

It is an arithmetic number, because the mean of its divisors is an integer number (14107988747944).

Almost surely, 2^{112121121022129} is an apocalyptic number.

It is an amenable number.

112121121022129 is a deficient number, since it is larger than the sum of its proper divisors (742788961423).

112121121022129 is a wasteful number, since it uses less digits than its factorization.

112121121022129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743447.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 112121121022129 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty-nine".