121103023308 has 144 divisors (see below), whose sum is σ = 308112779520. Its totient is φ = 36892050048.

The previous prime is 121103023241. The next prime is 121103023313. The reversal of 121103023308 is 803320301121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162991585 + ... + 162992327.

It is an arithmetic number, because the mean of its divisors is an integer number (2139672080).

Almost surely, 2^121103023308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121103023308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154056389760).

121103023308 is an abundant number, since it is smaller than the sum of its proper divisors (187009756212).

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

121103023308 is a wasteful number, since it uses less digits than its factorization.

121103023308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 121103023308 its reverse (803320301121), we get a palindrome (924423324429).

The spelling of 121103023308 in words is "one hundred twenty-one billion, one hundred three million, twenty-three thousand, three hundred eight".