120101211020 has 24 divisors (see below), whose sum is σ = 288242906784. Its totient is φ = 41177558016.

The previous prime is 120101211007. The next prime is 120101211031. The reversal of 120101211020 is 20112101021.

120101211020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 120101210992 and 120101211010.

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, 428932757 + ... + 428933036.

It is an arithmetic number, because the mean of its divisors is an integer number (12010121116).

Almost surely, 2^120101211020 is an apocalyptic number.

120101211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101211020 is an abundant number, since it is smaller than the sum of its proper divisors (168141695764).

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

120101211020 is a wasteful number, since it uses less digits than its factorization.

120101211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857865809 (or 857865807 counting only the distinct ones).

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

Adding to 120101211020 its reverse (20112101021), we get a palindrome (140213312041).

The spelling of 120101211020 in words is "one hundred twenty billion, one hundred one million, two hundred eleven thousand, twenty".