20010002201121 has 16 divisors (see below), whose sum is σ = 26692054744320. Its totient is φ = 13333976169360.

The previous prime is 20010002201047. The next prime is 20010002201159. The reversal of 20010002201121 is 12110220001002.

It is not a de Polignac number, because 20010002201121 - 2³⁰ = 20008928459297 is a prime.

It is a super-3 number, since 3×20010002201121³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20010002201097 and 20010002201106.

It is not an unprimeable number, because it can be changed into a prime (20010002200121) 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 15 ways as a sum of consecutive naturals, for example, 155463090 + ... + 155591748.

It is an arithmetic number, because the mean of its divisors is an integer number (1668253421520).

Almost surely, 2^{20010002201121} is an apocalyptic number.

It is an amenable number.

20010002201121 is a deficient number, since it is larger than the sum of its proper divisors (6682052543199).

20010002201121 is a wasteful number, since it uses less digits than its factorization.

20010002201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151676.

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

Adding to 20010002201121 its reverse (12110220001002), we get a palindrome (32120222202123).

The spelling of 20010002201121 in words is "twenty trillion, ten billion, two million, two hundred one thousand, one hundred twenty-one".