11331422402 has 4 divisors (see below), whose sum is σ = 16997133606. Its totient is φ = 5665711200.

The previous prime is 11331422357. The next prime is 11331422411. The reversal of 11331422402 is 20422413311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9351083401 + 1980339001 = 96701^2 + 44501^2 .

It is a super-2 number, since 2×11331422402² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832855599 + ... + 2832855602.

Almost surely, 2^11331422402 is an apocalyptic number.

11331422402 is a deficient number, since it is larger than the sum of its proper divisors (5665711204).

11331422402 is an equidigital number, since it uses as much as digits as its factorization.

11331422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665711203.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11331422402 its reverse (20422413311), we get a palindrome (31753835713).

Subtracting 11331422402 from its reverse (20422413311), we obtain a palindrome (9090990909).

The spelling of 11331422402 in words is "eleven billion, three hundred thirty-one million, four hundred twenty-two thousand, four hundred two".