11031421104 has 200 divisors, whose sum is σ = 35254118592. Its totient is φ = 3302225280.

The previous prime is 11031421031. The next prime is 11031421151. The reversal of 11031421104 is 40112413011.

11031421104 is a `hidden beast` number, since 110 + 31 + 421 + 104 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1178587 + ... + 1187909.

Almost surely, 2^11031421104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11031421104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17627059296).

11031421104 is an abundant number, since it is smaller than the sum of its proper divisors (24222697488).

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

11031421104 is a wasteful number, since it uses less digits than its factorization.

11031421104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9437 (or 9422 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11031421104 its reverse (40112413011), we get a palindrome (51143834115).

The spelling of 11031421104 in words is "eleven billion, thirty-one million, four hundred twenty-one thousand, one hundred four".