120212011021 has 16 divisors (see below), whose sum is σ = 122216391936. Its totient is φ = 118217909376.

The previous prime is 120212011019. The next prime is 120212011033. The reversal of 120212011021 is 120110212021.

It is a cyclic number.

It is not a de Polignac number, because 120212011021 - 2¹ = 120212011019 is a prime.

It is a super-3 number, since 3×120212011021³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120212010992 and 120212011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212011721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44637351 + ... + 44640043.

It is an arithmetic number, because the mean of its divisors is an integer number (7638524496).

Almost surely, 2^120212011021 is an apocalyptic number.

It is an amenable number.

120212011021 is a deficient number, since it is larger than the sum of its proper divisors (2004380915).

120212011021 is an equidigital number, since it uses as much as digits as its factorization.

120212011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120212011021 its reverse (120110212021), we get a palindrome (240322223042).

The spelling of 120212011021 in words is "one hundred twenty billion, two hundred twelve million, eleven thousand, twenty-one".