11121200010 has 48 divisors (see below), whose sum is σ = 28922927904. Its totient is φ = 2964852576.

The previous prime is 11121200009. The next prime is 11121200047. The reversal of 11121200010 is 1000212111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11121199965 and 11121200001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367309 + ... + 396431.

It is an arithmetic number, because the mean of its divisors is an integer number (602560998).

Almost surely, 2^11121200010 is an apocalyptic number.

11121200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121200010 is an abundant number, since it is smaller than the sum of its proper divisors (17801727894).

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

11121200010 is a wasteful number, since it uses less digits than its factorization.

11121200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33379 (or 33376 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11121200010 its reverse (1000212111), we get a palindrome (12121412121).

The spelling of 11121200010 in words is "eleven billion, one hundred twenty-one million, two hundred thousand, ten".