111102202212 has 12 divisors (see below), whose sum is σ = 259238471856. Its totient is φ = 37034067400.

The previous prime is 111102202201. The next prime is 111102202261. The reversal of 111102202212 is 212202201111.

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

It is a super-2 number, since 2×111102202212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111102202191 and 111102202200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4629258414 + ... + 4629258437.

It is an arithmetic number, because the mean of its divisors is an integer number (21603205988).

Almost surely, 2^111102202212 is an apocalyptic number.

111102202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111102202212 is an abundant number, since it is smaller than the sum of its proper divisors (148136269644).

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

111102202212 is a wasteful number, since it uses less digits than its factorization.

111102202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9258516858 (or 9258516856 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111102202212 its reverse (212202201111), we get a palindrome (323304403323).

The spelling of 111102202212 in words is "one hundred eleven billion, one hundred two million, two hundred two thousand, two hundred twelve".