11121022011100 has 18 divisors (see below), whose sum is σ = 24132617764304. Its totient is φ = 4448408804400.

The previous prime is 11121022011091. The next prime is 11121022011101. The reversal of 11121022011100 is 111022012111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121022011101) 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, 55605109956 + ... + 55605110155.

Almost surely, 2^{11121022011100} is an apocalyptic number.

11121022011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121022011100 is an abundant number, since it is smaller than the sum of its proper divisors (13011595753204).

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

11121022011100 is a wasteful number, since it uses less digits than its factorization.

11121022011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111210220125 (or 111210220118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11121022011100 its reverse (111022012111), we get a palindrome (11232044023211).

The spelling of 11121022011100 in words is "eleven trillion, one hundred twenty-one billion, twenty-two million, eleven thousand, one hundred".