1102112012 has 6 divisors (see below), whose sum is σ = 1928696028. Its totient is φ = 551056004.

The previous prime is 1102111993. The next prime is 1102112017. The reversal of 1102112012 is 2102112011.

It is a junction number, because it is equal to n+sod(n) for n = 1102111984 and 1102112002.

It is not an unprimeable number, because it can be changed into a prime (1102112017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137763998 + ... + 137764005.

It is an arithmetic number, because the mean of its divisors is an integer number (321449338).

Almost surely, 2^1102112012 is an apocalyptic number.

It is an amenable number.

1102112012 is a deficient number, since it is larger than the sum of its proper divisors (826584016).

1102112012 is a wasteful number, since it uses less digits than its factorization.

1102112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275528007 (or 275528005 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1102112012 is about 33198.0724139219. The cubic root of 1102112012 is about 1032.9403561077.

Adding to 1102112012 its reverse (2102112011), we get a palindrome (3204224023).

Subtracting 1102112012 from its reverse (2102112011), we obtain a palindrome (999999999).

The spelling of 1102112012 in words is "one billion, one hundred two million, one hundred twelve thousand, twelve".