121133355152 has 10 divisors (see below), whose sum is σ = 234695875638. Its totient is φ = 60566677568.

The previous prime is 121133355151. The next prime is 121133355169. The reversal of 121133355152 is 251553331121.

It can be written as a sum of positive squares in only one way, i.e., 90422895616 + 30710459536 = 300704^2 + 175244^2 .

It is not an unprimeable number, because it can be changed into a prime (121133355151) by changing a digit.

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 as a sum of consecutive naturals, namely, 3785417333 + ... + 3785417364.

Almost surely, 2^121133355152 is an apocalyptic number.

It is an amenable number.

121133355152 is a deficient number, since it is larger than the sum of its proper divisors (113562520486).

121133355152 is an equidigital number, since it uses as much as digits as its factorization.

121133355152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570834705 (or 7570834699 counting only the distinct ones).

The product of its digits is 13500, while the sum is 32.

Adding to 121133355152 its reverse (251553331121), we get a palindrome (372686686273).

The spelling of 121133355152 in words is "one hundred twenty-one billion, one hundred thirty-three million, three hundred fifty-five thousand, one hundred fifty-two".