120102021011 has 8 divisors (see below), whose sum is σ = 137864121600. Its totient is φ = 102491087688.

The previous prime is 120102020999. The next prime is 120102021047. The reversal of 120102021011 is 110120201021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120102021011 - 2¹⁸ = 120101758867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120102020983 and 120102021001.

It is not an unprimeable number, because it can be changed into a prime (120102021811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37790111 + ... + 37793288.

It is an arithmetic number, because the mean of its divisors is an integer number (17233015200).

Almost surely, 2^120102021011 is an apocalyptic number.

120102021011 is a deficient number, since it is larger than the sum of its proper divisors (17762100589).

120102021011 is an equidigital number, since it uses as much as digits as its factorization.

120102021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75583633.

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

Adding to 120102021011 its reverse (110120201021), we get a palindrome (230222222032).

The spelling of 120102021011 in words is "one hundred twenty billion, one hundred two million, twenty-one thousand, eleven".