121112021021120 has 56 divisors (see below), whose sum is σ = 288399014514000. Its totient is φ = 48444638001152.

The previous prime is 121112021021107. The next prime is 121112021021161. The reversal of 121112021021120 is 21120120211121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131203751 + ... + 132123609.

Almost surely, 2^{121112021021120} is an apocalyptic number.

121112021021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121112021021120 is an abundant number, since it is smaller than the sum of its proper divisors (167286993492880).

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

121112021021120 is an equidigital number, since it uses as much as digits as its factorization.

121112021021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331325 (or 1331315 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121112021021120 its reverse (21120120211121), we get a palindrome (142232141232241).

The spelling of 121112021021120 in words is "one hundred twenty-one trillion, one hundred twelve billion, twenty-one million, twenty-one thousand, one hundred twenty".