212020110121 has 8 divisors (see below), whose sum is σ = 219410764544. Its totient is φ = 204663911760.

The previous prime is 212020110119. The next prime is 212020110167. The reversal of 212020110121 is 121011020212.

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 212020110121 - 2¹ = 212020110119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020110221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8601495 + ... + 8626108.

It is an arithmetic number, because the mean of its divisors is an integer number (27426345568).

Almost surely, 2^212020110121 is an apocalyptic number.

It is an amenable number.

212020110121 is a deficient number, since it is larger than the sum of its proper divisors (7390654423).

212020110121 is a wasteful number, since it uses less digits than its factorization.

212020110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17228031.

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

Adding to 212020110121 its reverse (121011020212), we get a palindrome (333031130333).

The spelling of 212020110121 in words is "two hundred twelve billion, twenty million, one hundred ten thousand, one hundred twenty-one".