120212110021 has 8 divisors (see below), whose sum is σ = 126559560800. Its totient is φ = 113866709040.

The previous prime is 120212109973. The next prime is 120212110061. The reversal of 120212110021 is 120011212021.

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 120212110021 - 2⁹ = 120212109509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120212109983 and 120212110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212110061) 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, 391326 + ... + 627343.

It is an arithmetic number, because the mean of its divisors is an integer number (15819945100).

Almost surely, 2^120212110021 is an apocalyptic number.

It is an amenable number.

120212110021 is a deficient number, since it is larger than the sum of its proper divisors (6347450779).

120212110021 is a wasteful number, since it uses less digits than its factorization.

120212110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024899.

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

Adding to 120212110021 its reverse (120011212021), we get a palindrome (240223322042).

The spelling of 120212110021 in words is "one hundred twenty billion, two hundred twelve million, one hundred ten thousand, twenty-one".