1102112011212 has 24 divisors (see below), whose sum is σ = 2573283241536. Its totient is φ = 367129449168.

The previous prime is 1102112011199. The next prime is 1102112011237. The reversal of 1102112011212 is 2121102112011.

It is a happy number.

It is a super-2 number, since 2×1102112011212² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1102112011191 and 1102112011200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30133618 + ... + 30170169.

It is an arithmetic number, because the mean of its divisors is an integer number (107220135064).

Almost surely, 2^{1102112011212} is an apocalyptic number.

1102112011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102112011212 is an abundant number, since it is smaller than the sum of its proper divisors (1471171230324).

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

1102112011212 is a wasteful number, since it uses less digits than its factorization.

1102112011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60305317 (or 60305315 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1102112011212 its reverse (2121102112011), we get a palindrome (3223214123223).

It can be divided in two parts, 1102112011 and 212, that multiplied together give a palindrome (233647746332).

The spelling of 1102112011212 in words is "one trillion, one hundred two billion, one hundred twelve million, eleven thousand, two hundred twelve".