20201102234121 has 8 divisors (see below), whose sum is σ = 28352424188320. Its totient is φ = 12758590884672.

The previous prime is 20201102234069. The next prime is 20201102234161. The reversal of 20201102234121 is 12143220110202.

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 20201102234121 - 2²² = 20201098039817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201102234161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177202651120 + ... + 177202651233.

It is an arithmetic number, because the mean of its divisors is an integer number (3544053023540).

Almost surely, 2^{20201102234121} is an apocalyptic number.

It is an amenable number.

20201102234121 is a deficient number, since it is larger than the sum of its proper divisors (8151321954199).

20201102234121 is a wasteful number, since it uses less digits than its factorization.

20201102234121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354405302375.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20201102234121 its reverse (12143220110202), we get a palindrome (32344322344323).

The spelling of 20201102234121 in words is "twenty trillion, two hundred one billion, one hundred two million, two hundred thirty-four thousand, one hundred twenty-one".