11121240422 has 16 divisors (see below), whose sum is σ = 16721994240. Its totient is φ = 5547256128.

The previous prime is 11121240349. The next prime is 11121240433. The reversal of 11121240422 is 22404212111.

It is a junction number, because it is equal to n+sod(n) for n = 11121240394 and 11121240403.

It is a congruent number.

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, 3055988 + ... + 3059624.

It is an arithmetic number, because the mean of its divisors is an integer number (1045124640).

Almost surely, 2^11121240422 is an apocalyptic number.

11121240422 is a deficient number, since it is larger than the sum of its proper divisors (5600753818).

11121240422 is a wasteful number, since it uses less digits than its factorization.

11121240422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6895.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11121240422 its reverse (22404212111), we get a palindrome (33525452533).

The spelling of 11121240422 in words is "eleven billion, one hundred twenty-one million, two hundred forty thousand, four hundred twenty-two".