121201022110120 has 32 divisors (see below), whose sum is σ = 272729765874600. Its totient is φ = 48475525977088.

The previous prime is 121201022110073. The next prime is 121201022110139. The reversal of 121201022110120 is 21011220102121.

It can be written as a sum of positive squares in 4 ways, for example, as 104470844325604 + 16730177784516 = 10221098^2 + 4090254^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121201022110094 and 121201022110103.

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, 152187469 + ... + 152981788.

Almost surely, 2^{121201022110120} is an apocalyptic number.

121201022110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121201022110120 is an abundant number, since it is smaller than the sum of its proper divisors (151528743764480).

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

121201022110120 is a wasteful number, since it uses less digits than its factorization.

121201022110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305179197 (or 305179193 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121201022110120 its reverse (21011220102121), we get a palindrome (142212242212241).

The spelling of 121201022110120 in words is "one hundred twenty-one trillion, two hundred one billion, twenty-two million, one hundred ten thousand, one hundred twenty".