210000020122101 has 48 divisors (see below), whose sum is σ = 309320434160640. Its totient is φ = 126631923818400.

The previous prime is 210000020122099. The next prime is 210000020122187. The reversal of 210000020122101 is 101221020000012.

It is not a de Polignac number, because 210000020122101 - 2¹ = 210000020122099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210000020124101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100558906 + ... + 102625988.

It is an arithmetic number, because the mean of its divisors is an integer number (6444175711680).

Almost surely, 2^{210000020122101} is an apocalyptic number.

It is an amenable number.

210000020122101 is a deficient number, since it is larger than the sum of its proper divisors (99320414038539).

210000020122101 is a wasteful number, since it uses less digits than its factorization.

210000020122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068518 (or 2068507 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210000020122101 its reverse (101221020000012), we get a palindrome (311221040122113).

The spelling of 210000020122101 in words is "two hundred ten trillion, twenty million, one hundred twenty-two thousand, one hundred one".