11120001221100 has 36 divisors (see below), whose sum is σ = 32173870200584. Its totient is φ = 2965333658880.

The previous prime is 11120001221003. The next prime is 11120001221107. The reversal of 11120001221100 is 112210002111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11120001221107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18533335069 + ... + 18533335668.

Almost surely, 2^{11120001221100} is an apocalyptic number.

11120001221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120001221100 is an abundant number, since it is smaller than the sum of its proper divisors (21053868979484).

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

11120001221100 is a wasteful number, since it uses less digits than its factorization.

11120001221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37066670754 (or 37066670747 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11120001221100 its reverse (112210002111), we get a palindrome (11232211223211).

The spelling of 11120001221100 in words is "eleven trillion, one hundred twenty billion, one million, two hundred twenty-one thousand, one hundred".