11002001012121 has 32 divisors (see below), whose sum is σ = 17247111598080. Its totient is φ = 6108351897024.

The previous prime is 11002001012117. The next prime is 11002001012143. The reversal of 11002001012121 is 12121010020011.

It is not a de Polignac number, because 11002001012121 - 2² = 11002001012117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11002001012097 and 11002001012106.

It is not an unprimeable number, because it can be changed into a prime (11002001012111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47870781 + ... + 48100058.

It is an arithmetic number, because the mean of its divisors is an integer number (538972237440).

Almost surely, 2^{11002001012121} is an apocalyptic number.

It is an amenable number.

11002001012121 is a deficient number, since it is larger than the sum of its proper divisors (6245110585959).

11002001012121 is a wasteful number, since it uses less digits than its factorization.

11002001012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95971005.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11002001012121 its reverse (12121010020011), we get a palindrome (23123011032132).

The spelling of 11002001012121 in words is "eleven trillion, two billion, one million, twelve thousand, one hundred twenty-one".