111201123103210 has 128 divisors (see below), whose sum is σ = 239546324312064. Its totient is φ = 36339596663040.

The previous prime is 111201123103207. The next prime is 111201123103241. The reversal of 111201123103210 is 12301321102111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1904393115 + ... + 1904451505.

It is an arithmetic number, because the mean of its divisors is an integer number (1871455658688).

Almost surely, 2^{111201123103210} is an apocalyptic number.

111201123103210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111201123103210 is an abundant number, since it is smaller than the sum of its proper divisors (128345201208854).

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

111201123103210 is a wasteful number, since it uses less digits than its factorization.

111201123103210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62588.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 111201123103210 its reverse (12301321102111), we get a palindrome (123502444205321).

The spelling of 111201123103210 in words is "one hundred eleven trillion, two hundred one billion, one hundred twenty-three million, one hundred three thousand, two hundred ten".