11002402021 has 8 divisors (see below), whose sum is σ = 11895950304. Its totient is φ = 10115598000.

The previous prime is 11002402003. The next prime is 11002402027. The reversal of 11002402021 is 12020420011.

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 11002402021 - 2¹¹ = 11002399973 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002401992 and 11002402010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002402027) 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 7 ways as a sum of consecutive naturals, for example, 1682671 + ... + 1689196.

It is an arithmetic number, because the mean of its divisors is an integer number (1486993788).

Almost surely, 2^11002402021 is an apocalyptic number.

It is an amenable number.

11002402021 is a deficient number, since it is larger than the sum of its proper divisors (893548283).

11002402021 is a wasteful number, since it uses less digits than its factorization.

11002402021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372131.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11002402021 its reverse (12020420011), we get a palindrome (23022822032).

The spelling of 11002402021 in words is "eleven billion, two million, four hundred two thousand, twenty-one".