121133200120 has 64 divisors (see below), whose sum is σ = 288626029920. Its totient is φ = 45596135424.

The previous prime is 121133200109. The next prime is 121133200147. The reversal of 121133200120 is 21002331121.

It is a super-3 number, since 3×121133200120³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121133200094 and 121133200103.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 7528404 + ... + 7544476.

Almost surely, 2^121133200120 is an apocalyptic number.

121133200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121133200120 is an abundant number, since it is smaller than the sum of its proper divisors (167492829800).

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

121133200120 is a wasteful number, since it uses less digits than its factorization.

121133200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27184 (or 27180 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121133200120 its reverse (21002331121), we get a palindrome (142135531241).

The spelling of 121133200120 in words is "one hundred twenty-one billion, one hundred thirty-three million, two hundred thousand, one hundred twenty".