1111202110212 has 12 divisors (see below), whose sum is σ = 2592804923856. Its totient is φ = 370400703400.

The previous prime is 1111202110211. The next prime is 1111202110217. The reversal of 1111202110212 is 2120112021111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1111202110191 and 1111202110200.

It is not an unprimeable number, because it can be changed into a prime (1111202110211) by changing a digit.

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, 46300087914 + ... + 46300087937.

It is an arithmetic number, because the mean of its divisors is an integer number (216067076988).

Almost surely, 2^{1111202110212} is an apocalyptic number.

1111202110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111202110212 is an abundant number, since it is smaller than the sum of its proper divisors (1481602813644).

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

1111202110212 is a wasteful number, since it uses less digits than its factorization.

1111202110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92600175858 (or 92600175856 counting only the distinct ones).

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

Adding to 1111202110212 its reverse (2120112021111), we get a palindrome (3231314131323).

The spelling of 1111202110212 in words is "one trillion, one hundred eleven billion, two hundred two million, one hundred ten thousand, two hundred twelve".