121114533342 has 128 divisors (see below), whose sum is σ = 274271961600. Its totient is φ = 35332416000.

The previous prime is 121114533329. The next prime is 121114533347. The reversal of 121114533342 is 243335411121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121114533347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 172773592 + ... + 172774292.

It is an arithmetic number, because the mean of its divisors is an integer number (2142749700).

Almost surely, 2^121114533342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121114533342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137135980800).

121114533342 is an abundant number, since it is smaller than the sum of its proper divisors (153157428258).

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

121114533342 is a wasteful number, since it uses less digits than its factorization.

121114533342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402.

The product of its digits is 8640, while the sum is 30.

Adding to 121114533342 its reverse (243335411121), we get a palindrome (364449944463).

It can be divided in two parts, 121114 and 533342, that added together give a palindrome (654456).

The spelling of 121114533342 in words is "one hundred twenty-one billion, one hundred fourteen million, five hundred thirty-three thousand, three hundred forty-two".