20100003332121 has 6 divisors (see below), whose sum is σ = 29033338146410. Its totient is φ = 13400002221408.

The previous prime is 20100003332051. The next prime is 20100003332131. The reversal of 20100003332121 is 12123330000102.

20100003332121 is a `hidden beast` number, since 20 + 100 + 0 + 0 + 333 + 212 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16228006560000 + 3871996772121 = 4028400^2 + 1967739^2 .

It is not a de Polignac number, because 20100003332121 - 2¹⁷ = 20100003201049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20100003332094 and 20100003332103.

It is not an unprimeable number, because it can be changed into a prime (20100003332131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1116666851776 + ... + 1116666851793.

Almost surely, 2^{20100003332121} is an apocalyptic number.

It is an amenable number.

20100003332121 is a deficient number, since it is larger than the sum of its proper divisors (8933334814289).

20100003332121 is a wasteful number, since it uses less digits than its factorization.

20100003332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233333703575 (or 2233333703572 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20100003332121 its reverse (12123330000102), we get a palindrome (32223333332223).

The spelling of 20100003332121 in words is "twenty trillion, one hundred billion, three million, three hundred thirty-two thousand, one hundred twenty-one".