1100111211100 has 72 divisors (see below), whose sum is σ = 2640943218816. Its totient is φ = 394406040000.

The previous prime is 1100111211097. The next prime is 1100111211137. The reversal of 1100111211100 is 11121110011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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, 6964866 + ... + 7121065.

It is an arithmetic number, because the mean of its divisors is an integer number (36679766928).

Almost surely, 2^{1100111211100} is an apocalyptic number.

1100111211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100111211100 is an abundant number, since it is smaller than the sum of its proper divisors (1540832007716).

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

1100111211100 is a wasteful number, since it uses less digits than its factorization.

1100111211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14086027 (or 14086020 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1100111211100 its reverse (11121110011), we get a palindrome (1111232321111).

The spelling of 1100111211100 in words is "one trillion, one hundred billion, one hundred eleven million, two hundred eleven thousand, one hundred".