11402333021 has 2 divisors, whose sum is σ = 11402333022. Its totient is φ = 11402333020.

The previous prime is 11402333009. The next prime is 11402333051. The reversal of 11402333021 is 12033320411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11323300921 + 79032100 = 106411^2 + 8890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11402333021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11402332984 and 11402333002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11402333051) 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 as a sum of consecutive naturals, namely, 5701166510 + 5701166511.

It is an arithmetic number, because the mean of its divisors is an integer number (5701166511).

Almost surely, 2^11402333021 is an apocalyptic number.

It is an amenable number.

11402333021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11402333021 is an equidigital number, since it uses as much as digits as its factorization.

11402333021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11402333021 its reverse (12033320411), we get a palindrome (23435653432).

The spelling of 11402333021 in words is "eleven billion, four hundred two million, three hundred thirty-three thousand, twenty-one".