11231222034440 has 32 divisors (see below), whose sum is σ = 25270359670080. Its totient is φ = 4492469241792.

The previous prime is 11231222034421. The next prime is 11231222034479. The reversal of 11231222034440 is 4443022213211.

It is a super-2 number, since 2×11231222034440² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11788139 + ... + 12705221.

It is an arithmetic number, because the mean of its divisors is an integer number (789698739690).

Almost surely, 2^{11231222034440} is an apocalyptic number.

11231222034440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231222034440 is an abundant number, since it is smaller than the sum of its proper divisors (14039137635640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11231222034440 is a wasteful number, since it uses less digits than its factorization.

11231222034440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223261 (or 1223257 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 11231222034440 its reverse (4443022213211), we get a palindrome (15674244247651).

The spelling of 11231222034440 in words is "eleven trillion, two hundred thirty-one billion, two hundred twenty-two million, thirty-four thousand, four hundred forty".