11221201120100 has 18 divisors (see below), whose sum is σ = 24350006430834. Its totient is φ = 4488480448000.

The previous prime is 11221201120099. The next prime is 11221201120109. The reversal of 11221201120100 is 102110212211.

11221201120100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 17814774784 + 11203386345316 = 133472^2 + 3347146^2 .

It is not an unprimeable number, because it can be changed into a prime (11221201120109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56106005501 + ... + 56106005700.

Almost surely, 2^{11221201120100} is an apocalyptic number.

11221201120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221201120100 is an abundant number, since it is smaller than the sum of its proper divisors (13128805310734).

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

11221201120100 is a wasteful number, since it uses less digits than its factorization.

11221201120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112212011215 (or 112212011208 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11221201120100 its reverse (102110212211), we get a palindrome (11323311332311).

The spelling of 11221201120100 in words is "eleven trillion, two hundred twenty-one billion, two hundred one million, one hundred twenty thousand, one hundred".