210010002022121 has 12 divisors (see below), whose sum is σ = 254960239728768. Its totient is φ = 169419833562432.

The previous prime is 210010002022081. The next prime is 210010002022147. The reversal of 210010002022121 is 121220200010012.

It is not a de Polignac number, because 210010002022121 - 2⁶ = 210010002022057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210010002022096 and 210010002022105.

It is not an unprimeable number, because it can be changed into a prime (210010002052121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51905584241 + ... + 51905588286.

It is an arithmetic number, because the mean of its divisors is an integer number (21246686644064).

Almost surely, 2^{210010002022121} is an apocalyptic number.

It is an amenable number.

210010002022121 is a deficient number, since it is larger than the sum of its proper divisors (44950237706647).

210010002022121 is a wasteful number, since it uses less digits than its factorization.

210010002022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103811172568 (or 103811172551 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210010002022121 its reverse (121220200010012), we get a palindrome (331230202032133).

The spelling of 210010002022121 in words is "two hundred ten trillion, ten billion, two million, twenty-two thousand, one hundred twenty-one".