111102201210220 has 24 divisors (see below), whose sum is σ = 254525042773008. Its totient is φ = 40400800440000.

The previous prime is 111102201210191. The next prime is 111102201210229. The reversal of 111102201210220 is 22012102201111.

It is a super-2 number, since 2×111102201210220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111102201210194 and 111102201210203.

It is not an unprimeable number, because it can be changed into a prime (111102201210229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252505002531 + ... + 252505002970.

It is an arithmetic number, because the mean of its divisors is an integer number (10605210115542).

Almost surely, 2^{111102201210220} is an apocalyptic number.

111102201210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111102201210220 is an abundant number, since it is smaller than the sum of its proper divisors (143422841562788).

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

111102201210220 is a wasteful number, since it uses less digits than its factorization.

111102201210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505010005521 (or 505010005519 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111102201210220 its reverse (22012102201111), we get a palindrome (133114303411331).

The spelling of 111102201210220 in words is "one hundred eleven trillion, one hundred two billion, two hundred one million, two hundred ten thousand, two hundred twenty".