121335533122 has 8 divisors (see below), whose sum is σ = 182041286796. Its totient is φ = 60655104192.

The previous prime is 121335533107. The next prime is 121335533159. The reversal of 121335533122 is 221335533121.

It can be written as a sum of positive squares in 2 ways, for example, as 116970156081 + 4365377041 = 342009^2 + 66071^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6319203 + ... + 6338374.

Almost surely, 2^121335533122 is an apocalyptic number.

121335533122 is a deficient number, since it is larger than the sum of its proper divisors (60705753674).

121335533122 is a wasteful number, since it uses less digits than its factorization.

121335533122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12662372.

The product of its digits is 16200, while the sum is 31.

Subtracting 121335533122 from its reverse (221335533121), we obtain a palindrome (99999999999).

The spelling of 121335533122 in words is "one hundred twenty-one billion, three hundred thirty-five million, five hundred thirty-three thousand, one hundred twenty-two".