121112122134 has 16 divisors (see below), whose sum is σ = 243828380160. Its totient is φ = 40103351400.

The previous prime is 121112122133. The next prime is 121112122267. The reversal of 121112122134 is 431221211121.

It is a super-2 number, since 2×121112122134² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121112122134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112122133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66838014 + ... + 66839825.

It is an arithmetic number, because the mean of its divisors is an integer number (15239273760).

Almost surely, 2^121112122134 is an apocalyptic number.

121112122134 is an abundant number, since it is smaller than the sum of its proper divisors (122716258026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121112122134 is a wasteful number, since it uses less digits than its factorization.

121112122134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133677995.

The product of its digits is 192, while the sum is 21.

Adding to 121112122134 its reverse (431221211121), we get a palindrome (552333333255).

The spelling of 121112122134 in words is "one hundred twenty-one billion, one hundred twelve million, one hundred twenty-two thousand, one hundred thirty-four".