111001102201212 has 48 divisors (see below), whose sum is σ = 275182270151040. Its totient is φ = 34725381694272.

The previous prime is 111001102201183. The next prime is 111001102201217. The reversal of 111001102201212 is 212102201100111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111001102201191 and 111001102201200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001102201217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2274961303 + ... + 2275010094.

It is an arithmetic number, because the mean of its divisors is an integer number (5732963961480).

Almost surely, 2^{111001102201212} is an apocalyptic number.

111001102201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111001102201212 is an abundant number, since it is smaller than the sum of its proper divisors (164181167949828).

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

111001102201212 is a wasteful number, since it uses less digits than its factorization.

111001102201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549971530 (or 4549971528 counting only the distinct ones).

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

Adding to 111001102201212 its reverse (212102201100111), we get a palindrome (323103303301323).

The spelling of 111001102201212 in words is "one hundred eleven trillion, one billion, one hundred two million, two hundred one thousand, two hundred twelve".