11001402021 has 32 divisors (see below), whose sum is σ = 16124451840. Its totient is φ = 6640977024.

The previous prime is 11001401977. The next prime is 11001402029. The reversal of 11001402021 is 12020410011.

It is a happy number.

11001402021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11001402021 - 2¹³ = 11001393829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11001401988 and 11001402006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001402029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2295790 + ... + 2300576.

It is an arithmetic number, because the mean of its divisors is an integer number (503889120).

Almost surely, 2^11001402021 is an apocalyptic number.

It is an amenable number.

11001402021 is a deficient number, since it is larger than the sum of its proper divisors (5123049819).

11001402021 is a wasteful number, since it uses less digits than its factorization.

11001402021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6585.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11001402021 its reverse (12020410011), we get a palindrome (23021812032).

The spelling of 11001402021 in words is "eleven billion, one million, four hundred two thousand, twenty-one".