121111134434 has 8 divisors (see below), whose sum is σ = 182071305900. Its totient is φ = 60420699136.

The previous prime is 121111134401. The next prime is 121111134439. The reversal of 121111134434 is 434431111121.

It can be written as a sum of positive squares in 2 ways, for example, as 119104363225 + 2006771209 = 345115^2 + 44797^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121111134439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67432919 + ... + 67434714.

Almost surely, 2^121111134434 is an apocalyptic number.

121111134434 is a deficient number, since it is larger than the sum of its proper divisors (60960171466).

121111134434 is a wasteful number, since it uses less digits than its factorization.

121111134434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134868084.

The product of its digits is 1152, while the sum is 26.

Adding to 121111134434 its reverse (434431111121), we get a palindrome (555542245555).

The spelling of 121111134434 in words is "one hundred twenty-one billion, one hundred eleven million, one hundred thirty-four thousand, four hundred thirty-four".