1100121120112 has 40 divisors (see below), whose sum is σ = 2436143514336. Its totient is φ = 471449312256.

The previous prime is 1100121120107. The next prime is 1100121120143. The reversal of 1100121120112 is 2110211210011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1100121120092 and 1100121120101.

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 7 ways as a sum of consecutive naturals, for example, 1418748 + ... + 2052580.

Almost surely, 2^{1100121120112} is an apocalyptic number.

It is an amenable number.

1100121120112 is an abundant number, since it is smaller than the sum of its proper divisors (1336022394224).

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

1100121120112 is a wasteful number, since it uses less digits than its factorization.

1100121120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649345 (or 649339 counting only the distinct ones).

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

Adding to 1100121120112 its reverse (2110211210011), we get a palindrome (3210332330123).

The spelling of 1100121120112 in words is "one trillion, one hundred billion, one hundred twenty-one million, one hundred twenty thousand, one hundred twelve".