11001102012 has 18 divisors (see below), whose sum is σ = 27808341288. Its totient is φ = 3667033992.

The previous prime is 11001101987. The next prime is 11001102037. The reversal of 11001102012 is 21020110011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11001101987) and next prime (11001102037).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11001101985 and 11001102003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152793048 + ... + 152793119.

Almost surely, 2^11001102012 is an apocalyptic number.

11001102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11001102012 is an abundant number, since it is smaller than the sum of its proper divisors (16807239276).

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

11001102012 is a wasteful number, since it uses less digits than its factorization.

11001102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305586177 (or 305586172 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11001102012 its reverse (21020110011), we get a palindrome (32021212023).

The spelling of 11001102012 in words is "eleven billion, one million, one hundred two thousand, twelve".