212010220102121 has 8 divisors (see below), whose sum is σ = 242358135821760. Its totient is φ = 181677489737328.

The previous prime is 212010220102081. The next prime is 212010220102199. The reversal of 212010220102121 is 121201022010212.

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 212010220102121 - 2²⁶ = 212010152993257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212010220102121.

It is not an unprimeable number, because it can be changed into a prime (212010220105121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3796308791 + ... + 3796364636.

It is an arithmetic number, because the mean of its divisors is an integer number (30294766977720).

Almost surely, 2^{212010220102121} is an apocalyptic number.

It is an amenable number.

212010220102121 is a deficient number, since it is larger than the sum of its proper divisors (30347915719639).

212010220102121 is an equidigital number, since it uses as much as digits as its factorization.

212010220102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7592677423.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212010220102121 its reverse (121201022010212), we get a palindrome (333211242112333).

The spelling of 212010220102121 in words is "two hundred twelve trillion, ten billion, two hundred twenty million, one hundred two thousand, one hundred twenty-one".