121033333220 has 24 divisors (see below), whose sum is σ = 257963584704. Its totient is φ = 47690745696.

The previous prime is 121033333207. The next prime is 121033333231. The reversal of 121033333220 is 22333330121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45160352 + ... + 45163031.

It is an arithmetic number, because the mean of its divisors is an integer number (10748482696).

Almost surely, 2^121033333220 is an apocalyptic number.

121033333220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121033333220 is an abundant number, since it is smaller than the sum of its proper divisors (136930251484).

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

121033333220 is a wasteful number, since it uses less digits than its factorization.

121033333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90323459 (or 90323457 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 121033333220 its reverse (22333330121), we get a palindrome (143366663341).

The spelling of 121033333220 in words is "one hundred twenty-one billion, thirty-three million, three hundred thirty-three thousand, two hundred twenty".