11222121201100 has 36 divisors (see below), whose sum is σ = 24527197303000. Its totient is φ = 4456554600960.

The previous prime is 11222121201089. The next prime is 11222121201113. The reversal of 11222121201100 is 110212122211.

11222121201100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 403659525 + ... + 403687324.

Almost surely, 2^{11222121201100} is an apocalyptic number.

11222121201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222121201100 is an abundant number, since it is smaller than the sum of its proper divisors (13305076101900).

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

11222121201100 is a wasteful number, since it uses less digits than its factorization.

11222121201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807347002 (or 807346995 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11222121201100 its reverse (110212122211), we get a palindrome (11332333323311).

The spelling of 11222121201100 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred one thousand, one hundred".