11200421024 has 96 divisors (see below), whose sum is σ = 24745222656. Its totient is φ = 4955304960.

The previous prime is 11200420991. The next prime is 11200421059. The reversal of 11200421024 is 42012400211.

It is a super-2 number, since 2×11200421024² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11200420993 and 11200421011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375814 + ... + 1383930.

It is an arithmetic number, because the mean of its divisors is an integer number (257762736).

Almost surely, 2^11200421024 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 11200421024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12372611328).

11200421024 is an abundant number, since it is smaller than the sum of its proper divisors (13544801632).

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

11200421024 is a wasteful number, since it uses less digits than its factorization.

11200421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8278 (or 8270 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11200421024 its reverse (42012400211), we get a palindrome (53212821235).

The spelling of 11200421024 in words is "eleven billion, two hundred million, four hundred twenty-one thousand, twenty-four".