120101020120 has 32 divisors (see below), whose sum is σ = 271303920720. Its totient is φ = 47849008000.

The previous prime is 120101020027. The next prime is 120101020219. The reversal of 120101020120 is 21020101021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 120101020097 and 120101020106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5971087 + ... + 5991166.

Almost surely, 2^120101020120 is an apocalyptic number.

120101020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101020120 is an abundant number, since it is smaller than the sum of its proper divisors (151202900600).

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

120101020120 is a wasteful number, since it uses less digits than its factorization.

120101020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11962515 (or 11962511 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120101020120 its reverse (21020101021), we get a palindrome (141121121141).

The spelling of 120101020120 in words is "one hundred twenty billion, one hundred one million, twenty thousand, one hundred twenty".