121064333220 has 144 divisors (see below), whose sum is σ = 380679586560. Its totient is φ = 31105928448.

The previous prime is 121064333207. The next prime is 121064333227. The reversal of 121064333220 is 22333460121.

121064333220 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 6 + 433 + 3 + 220 = 666.

It is not an unprimeable number, because it can be changed into a prime (121064333227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2518329 + ... + 2565951.

It is an arithmetic number, because the mean of its divisors is an integer number (2643608240).

Almost surely, 2^121064333220 is an apocalyptic number.

121064333220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121064333220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190339793280).

121064333220 is an abundant number, since it is smaller than the sum of its proper divisors (259615253340).

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

121064333220 is a wasteful number, since it uses less digits than its factorization.

121064333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48154 (or 48149 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 121064333220 its reverse (22333460121), we get a palindrome (143397793341).

The spelling of 121064333220 in words is "one hundred twenty-one billion, sixty-four million, three hundred thirty-three thousand, two hundred twenty".