11013021200 has 60 divisors (see below), whose sum is σ = 27021782400. Its totient is φ = 4311473280.

The previous prime is 11013021163. The next prime is 11013021211. The reversal of 11013021200 is 212031011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274100 + ... + 311699.

It is an arithmetic number, because the mean of its divisors is an integer number (450363040).

Almost surely, 2^11013021200 is an apocalyptic number.

11013021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11013021200 is an abundant number, since it is smaller than the sum of its proper divisors (16008761200).

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

11013021200 is a wasteful number, since it uses less digits than its factorization.

11013021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585864 (or 585853 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11013021200 its reverse (212031011), we get a palindrome (11225052211).

The spelling of 11013021200 in words is "eleven billion, thirteen million, twenty-one thousand, two hundred".