112122011121 has 8 divisors (see below), whose sum is σ = 149498916864. Its totient is φ = 74746556400.

The previous prime is 112122011117. The next prime is 112122011143. The reversal of 112122011121 is 121110221211.

It is a happy number.

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

It is not a de Polignac number, because 112122011121 - 2² = 112122011117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112122011121.

It is not an unprimeable number, because it can be changed into a prime (112122011321) 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, 167430 + ... + 502271.

It is an arithmetic number, because the mean of its divisors is an integer number (18687364608).

Almost surely, 2^112122011121 is an apocalyptic number.

It is an amenable number.

112122011121 is a deficient number, since it is larger than the sum of its proper divisors (37376905743).

112122011121 is an equidigital number, since it uses as much as digits as its factorization.

112122011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725511.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112122011121 its reverse (121110221211), we get a palindrome (233232232332).

The spelling of 112122011121 in words is "one hundred twelve billion, one hundred twenty-two million, eleven thousand, one hundred twenty-one".