121110330020 has 48 divisors (see below), whose sum is σ = 269821828080. Its totient is φ = 45504835584.

The previous prime is 121110329999. The next prime is 121110330073. The reversal of 121110330020 is 20033011121.

It can be written as a sum of positive squares in 8 ways, for example, as 758231296 + 120352098724 = 27536^2 + 346918^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121110329977 and 121110330004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176849 + ... + 522968.

It is an arithmetic number, because the mean of its divisors is an integer number (5621288085).

Almost surely, 2^121110330020 is an apocalyptic number.

121110330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121110330020 is an abundant number, since it is smaller than the sum of its proper divisors (148711498060).

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

121110330020 is a wasteful number, since it uses less digits than its factorization.

121110330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700352 (or 700350 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121110330020 its reverse (20033011121), we get a palindrome (141143341141).

The spelling of 121110330020 in words is "one hundred twenty-one billion, one hundred ten million, three hundred thirty thousand, twenty".