111102101020212 has 96 divisors (see below), whose sum is σ = 263363669657088. Its totient is φ = 36448317408384.

The previous prime is 111102101020193. The next prime is 111102101020219. The reversal of 111102101020212 is 212020101201111.

It is a happy number.

It is a super-2 number, since 2×111102101020212² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111102101020191 and 111102101020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102101020219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327872223 + ... + 328210905.

It is an arithmetic number, because the mean of its divisors is an integer number (2743371558928).

Almost surely, 2^{111102101020212} is an apocalyptic number.

111102101020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111102101020212 is an abundant number, since it is smaller than the sum of its proper divisors (152261568636876).

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

111102101020212 is a wasteful number, since it uses less digits than its factorization.

111102101020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340029 (or 340027 counting only the distinct ones).

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

Adding to 111102101020212 its reverse (212020101201111), we get a palindrome (323122202221323).

The spelling of 111102101020212 in words is "one hundred eleven trillion, one hundred two billion, one hundred one million, twenty thousand, two hundred twelve".