11002111020121 has 8 divisors (see below), whose sum is σ = 11854115436800. Its totient is φ = 10150919201232.

The previous prime is 11002111020049. The next prime is 11002111020139. The reversal of 11002111020121 is 12102011120011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11002111020121 - 2¹⁹ = 11002110495833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (11002711020121) 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, 203121321 + ... + 203175478.

It is an arithmetic number, because the mean of its divisors is an integer number (1481764429600).

Almost surely, 2^{11002111020121} is an apocalyptic number.

It is an amenable number.

11002111020121 is a deficient number, since it is larger than the sum of its proper divisors (852004416679).

11002111020121 is a wasteful number, since it uses less digits than its factorization.

11002111020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406298895.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11002111020121 its reverse (12102011120011), we get a palindrome (23104122140132).

The spelling of 11002111020121 in words is "eleven trillion, two billion, one hundred eleven million, twenty thousand, one hundred twenty-one".