101010212102121 has 8 divisors (see below), whose sum is σ = 153920323203264. Its totient is φ = 57720121201200.

The previous prime is 101010212102113. The next prime is 101010212102161. The reversal of 101010212102121 is 121201212010101.

It is a happy number.

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

It is not a de Polignac number, because 101010212102121 - 2³ = 101010212102113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101010212102121.

It is not an unprimeable number, because it can be changed into a prime (101010212102161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2405005050030 + ... + 2405005050071.

It is an arithmetic number, because the mean of its divisors is an integer number (19240040400408).

Almost surely, 2^{101010212102121} is an apocalyptic number.

It is an amenable number.

101010212102121 is a deficient number, since it is larger than the sum of its proper divisors (52910111101143).

101010212102121 is an equidigital number, since it uses as much as digits as its factorization.

101010212102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810010100111.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101010212102121 its reverse (121201212010101), we get a palindrome (222211424112222).

The spelling of 101010212102121 in words is "one hundred one trillion, ten billion, two hundred twelve million, one hundred two thousand, one hundred twenty-one".