120021101120 has 56 divisors (see below), whose sum is σ = 285831915000. Its totient is φ = 48003121152.

The previous prime is 120021101099. The next prime is 120021101131. The reversal of 120021101120 is 21101120021.

It can be written as a sum of positive squares in 4 ways, for example, as 3046156864 + 116974944256 = 55192^2 + 342016^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4225526 + ... + 4253834.

Almost surely, 2^120021101120 is an apocalyptic number.

120021101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021101120 is an abundant number, since it is smaller than the sum of its proper divisors (165810813880).

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

120021101120 is a wasteful number, since it uses less digits than its factorization.

120021101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41575 (or 41565 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120021101120 its reverse (21101120021), we get a palindrome (141122221141).

The spelling of 120021101120 in words is "one hundred twenty billion, twenty-one million, one hundred one thousand, one hundred twenty".