1201011100112 has 20 divisors (see below), whose sum is σ = 2402022201216. Its totient is φ = 581134403040.

The previous prime is 1201011100097. The next prime is 1201011100171. The reversal of 1201011100112 is 2110011101021.

1201011100112 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1201011100093 and 1201011100102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210696178 + ... + 1210697169.

Almost surely, 2^{1201011100112} is an apocalyptic number.

It is an amenable number.

1201011100112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1201011100112 is a wasteful number, since it uses less digits than its factorization.

1201011100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421393386 (or 2421393380 counting only the distinct ones).

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

Adding to 1201011100112 its reverse (2110011101021), we get a palindrome (3311022201133).

Subtracting 1201011100112 from its reverse (2110011101021), we obtain a palindrome (909000000909).

The spelling of 1201011100112 in words is "one trillion, two hundred one billion, eleven million, one hundred thousand, one hundred twelve".