111201102100210 has 8 divisors (see below), whose sum is σ = 200161983780396. Its totient is φ = 44480440840080.

The previous prime is 111201102100201. The next prime is 111201102100219. The reversal of 111201102100210 is 12001201102111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111201102100201) and next prime (111201102100219).

It can be written as a sum of positive squares in 2 ways, for example, as 92866545819441 + 18334556280769 = 9636729^2 + 4281887^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (111201102100219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5560055105001 + ... + 5560055105020.

Almost surely, 2^{111201102100210} is an apocalyptic number.

111201102100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111201102100210 is a deficient number, since it is larger than the sum of its proper divisors (88960881680186).

111201102100210 is a wasteful number, since it uses less digits than its factorization.

111201102100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11120110210028.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111201102100210 its reverse (12001201102111), we get a palindrome (123202303202321).

The spelling of 111201102100210 in words is "one hundred eleven trillion, two hundred one billion, one hundred two million, one hundred thousand, two hundred ten".