11111102021100 has 72 divisors (see below), whose sum is σ = 32466420172368. Its totient is φ = 2933624288000.

The previous prime is 11111102021099. The next prime is 11111102021111. The reversal of 11111102021100 is 112020111111.

11111102021100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 183321219 + ... + 183381818.

It is an arithmetic number, because the mean of its divisors is an integer number (450922502394).

Almost surely, 2^{11111102021100} is an apocalyptic number.

11111102021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111102021100 is an abundant number, since it is smaller than the sum of its proper divisors (21355318151268).

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

11111102021100 is a wasteful number, since it uses less digits than its factorization.

11111102021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366703155 (or 366703148 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11111102021100 its reverse (112020111111), we get a palindrome (11223122132211).

The spelling of 11111102021100 in words is "eleven trillion, one hundred eleven billion, one hundred two million, twenty-one thousand, one hundred".