1100212011100 has 18 divisors (see below), whose sum is σ = 2387460064304. Its totient is φ = 440084804400.

The previous prime is 1100212011079. The next prime is 1100212011103. The reversal of 1100212011100 is 11102120011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100212011103) 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, 5501059956 + ... + 5501060155.

Almost surely, 2^{1100212011100} is an apocalyptic number.

1100212011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100212011100 is an abundant number, since it is smaller than the sum of its proper divisors (1287248053204).

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

1100212011100 is a wasteful number, since it uses less digits than its factorization.

1100212011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11002120125 (or 11002120118 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1100212011100 its reverse (11102120011), we get a palindrome (1111314131111).

The spelling of 1100212011100 in words is "one trillion, one hundred billion, two hundred twelve million, eleven thousand, one hundred".