1100100121112 has 16 divisors (see below), whose sum is σ = 2064113241360. Its totient is φ = 549669923424.

The previous prime is 1100100121097. The next prime is 1100100121139. The reversal of 1100100121112 is 2111210010011.

It is a junction number, because it is equal to n+sod(n) for n = 1100100121093 and 1100100121102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47504843 + ... + 47527994.

It is an arithmetic number, because the mean of its divisors is an integer number (129007077585).

Almost surely, 2^{1100100121112} is an apocalyptic number.

It is an amenable number.

1100100121112 is a deficient number, since it is larger than the sum of its proper divisors (964013120248).

1100100121112 is a wasteful number, since it uses less digits than its factorization.

1100100121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95034290 (or 95034286 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1100100121112 its reverse (2111210010011), we get a palindrome (3211310131123).

The spelling of 1100100121112 in words is "one trillion, one hundred billion, one hundred million, one hundred twenty-one thousand, one hundred twelve".