11231011402 has 16 divisors (see below), whose sum is σ = 18145096200. Its totient is φ = 5182774272.

The previous prime is 11231011399. The next prime is 11231011403. The reversal of 11231011402 is 20411013211.

11231011402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5805068481 + 5425942921 = 76191^2 + 73661^2 .

It is a super-2 number, since 2×11231011402² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231011403) 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 7 ways as a sum of consecutive naturals, for example, 170638 + ... + 227110.

Almost surely, 2^11231011402 is an apocalyptic number.

11231011402 is a deficient number, since it is larger than the sum of its proper divisors (6914084798).

11231011402 is a wasteful number, since it uses less digits than its factorization.

11231011402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64137.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11231011402 its reverse (20411013211), we get a palindrome (31642024613).

The spelling of 11231011402 in words is "eleven billion, two hundred thirty-one million, eleven thousand, four hundred two".