11401320422 has 4 divisors (see below), whose sum is σ = 17101980636. Its totient is φ = 5700660210.

The previous prime is 11401320379. The next prime is 11401320439. The reversal of 11401320422 is 22402310411.

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

It is a super-2 number, since 2×11401320422² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11401320394 and 11401320403.

It is a congruent number.

It is an unprimeable number.

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, 2850330104 + ... + 2850330107.

It is an arithmetic number, because the mean of its divisors is an integer number (4275495159).

Almost surely, 2^11401320422 is an apocalyptic number.

11401320422 is a deficient number, since it is larger than the sum of its proper divisors (5700660214).

11401320422 is an equidigital number, since it uses as much as digits as its factorization.

11401320422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700660213.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11401320422 its reverse (22402310411), we get a palindrome (33803630833).

The spelling of 11401320422 in words is "eleven billion, four hundred one million, three hundred twenty thousand, four hundred twenty-two".