121101101120 has 56 divisors (see below), whose sum is σ = 291344978904. Its totient is φ = 47941042176.

The previous prime is 121101101071. The next prime is 121101101227. The reversal of 121101101120 is 21101101121.

It can be written as a sum of positive squares in 4 ways, for example, as 369869824 + 120731231296 = 19232^2 + 347464^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1919687 + ... + 1981766.

It is an arithmetic number, because the mean of its divisors is an integer number (5202588909).

Almost surely, 2^121101101120 is an apocalyptic number.

121101101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121101101120 is an abundant number, since it is smaller than the sum of its proper divisors (170243877784).

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

121101101120 is an equidigital number, since it uses as much as digits as its factorization.

121101101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901567 (or 3901557 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121101101120 its reverse (21101101121), we get a palindrome (142202202241).

Subtracting from 121101101120 its reverse (21101101121), we obtain a palindrome (99999999999).

The spelling of 121101101120 in words is "one hundred twenty-one billion, one hundred one million, one hundred one thousand, one hundred twenty".