111201200021210 has 128 divisors (see below), whose sum is σ = 218570920646400. Its totient is φ = 40488501141504.

The previous prime is 111201200021203. The next prime is 111201200021279. The reversal of 111201200021210 is 12120002102111.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6280061177 + ... + 6280078883.

It is an arithmetic number, because the mean of its divisors is an integer number (1707585317550).

Almost surely, 2^{111201200021210} is an apocalyptic number.

111201200021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111201200021210 is a deficient number, since it is larger than the sum of its proper divisors (107369720625190).

111201200021210 is a wasteful number, since it uses less digits than its factorization.

111201200021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19600.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111201200021210 its reverse (12120002102111), we get a palindrome (123321202123321).

The spelling of 111201200021210 in words is "one hundred eleven trillion, two hundred one billion, two hundred million, twenty-one thousand, two hundred ten".