1100012211112 has 8 divisors (see below), whose sum is σ = 2062522895850. Its totient is φ = 550006105552.

The previous prime is 1100012211091. The next prime is 1100012211113. The reversal of 1100012211112 is 2111122100011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 829035744196 + 270976466916 = 910514^2 + 520554^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1100012211112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100012211092 and 1100012211101.

It is not an unprimeable number, because it can be changed into a prime (1100012211113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68750763187 + ... + 68750763202.

Almost surely, 2^{1100012211112} is an apocalyptic number.

It is an amenable number.

1100012211112 is a deficient number, since it is larger than the sum of its proper divisors (962510684738).

1100012211112 is a wasteful number, since it uses less digits than its factorization.

1100012211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137501526395 (or 137501526391 counting only the distinct ones).

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

Adding to 1100012211112 its reverse (2111122100011), we get a palindrome (3211134311123).

The spelling of 1100012211112 in words is "one trillion, one hundred billion, twelve million, two hundred eleven thousand, one hundred twelve".