1102111020112 has 20 divisors (see below), whose sum is σ = 2136331965780. Its totient is φ = 550799545088.

The previous prime is 1102111020089. The next prime is 1102111020169. The reversal of 1102111020112 is 2110201112011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 206748452416 + 895362567696 = 454696^2 + 946236^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1102111020092 and 1102111020101.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 15962287 + ... + 16031182.

It is an arithmetic number, because the mean of its divisors is an integer number (106816598289).

Almost surely, 2^{1102111020112} is an apocalyptic number.

It is an amenable number.

1102111020112 is a deficient number, since it is larger than the sum of its proper divisors (1034220945668).

1102111020112 is a wasteful number, since it uses less digits than its factorization.

1102111020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31995630 (or 31995624 counting only the distinct ones).

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

Adding to 1102111020112 its reverse (2110201112011), we get a palindrome (3212312132123).

The spelling of 1102111020112 in words is "one trillion, one hundred two billion, one hundred eleven million, twenty thousand, one hundred twelve".