11002020122121 has 8 divisors (see below), whose sum is σ = 16764983043264. Its totient is φ = 6286868641200.

The previous prime is 11002020122039. The next prime is 11002020122161. The reversal of 11002020122121 is 12122102020011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11002020122121 - 2¹¹ = 11002020120073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11002020122121.

It is not an unprimeable number, because it can be changed into a prime (11002020122161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261952860030 + ... + 261952860071.

It is an arithmetic number, because the mean of its divisors is an integer number (2095622880408).

Almost surely, 2^{11002020122121} is an apocalyptic number.

It is an amenable number.

11002020122121 is a deficient number, since it is larger than the sum of its proper divisors (5762962921143).

11002020122121 is an equidigital number, since it uses as much as digits as its factorization.

11002020122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523905720111.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11002020122121 its reverse (12122102020011), we get a palindrome (23124122142132).

The spelling of 11002020122121 in words is "eleven trillion, two billion, twenty million, one hundred twenty-two thousand, one hundred twenty-one".