11203421370 has 32 divisors (see below), whose sum is σ = 26896836672. Its totient is φ = 2986620672.

The previous prime is 11203421329. The next prime is 11203421389. The reversal of 11203421370 is 7312430211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11203421370.

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, 37794 + ... + 154386.

It is an arithmetic number, because the mean of its divisors is an integer number (840526146).

Almost surely, 2^11203421370 is an apocalyptic number.

11203421370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11203421370 is an abundant number, since it is smaller than the sum of its proper divisors (15693415302).

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

11203421370 is a wasteful number, since it uses less digits than its factorization.

11203421370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119806.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 11203421370 its reverse (7312430211), we get a palindrome (18515851581).

The spelling of 11203421370 in words is "eleven billion, two hundred three million, four hundred twenty-one thousand, three hundred seventy".