121123203330 has 32 divisors (see below), whose sum is σ = 298552330944. Its totient is φ = 31426560576.

The previous prime is 121123203281. The next prime is 121123203353. The reversal of 121123203330 is 33302321121.

It is a junction number, because it is equal to n+sod(n) for n = 121123203297 and 121123203306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54558892 + ... + 54561111.

It is an arithmetic number, because the mean of its divisors is an integer number (9329760342).

Almost surely, 2^121123203330 is an apocalyptic number.

121123203330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121123203330 is an abundant number, since it is smaller than the sum of its proper divisors (177429127614).

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

121123203330 is a wasteful number, since it uses less digits than its factorization.

121123203330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109120050.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121123203330 its reverse (33302321121), we get a palindrome (154425524451).

The spelling of 121123203330 in words is "one hundred twenty-one billion, one hundred twenty-three million, two hundred three thousand, three hundred thirty".