111221202200212 has 24 divisors (see below), whose sum is σ = 221939141043816. Its totient is φ = 48313282403328.

The previous prime is 111221202200177. The next prime is 111221202200221. The reversal of 111221202200212 is 212002202122111.

It can be written as a sum of positive squares in 4 ways, for example, as 33060821021316 + 78160381178896 = 5749854^2 + 8840836^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111221202200212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62907918913 + ... + 62907920680.

It is an arithmetic number, because the mean of its divisors is an integer number (9247464210159).

Almost surely, 2^{111221202200212} is an apocalyptic number.

It is an amenable number.

111221202200212 is a deficient number, since it is larger than the sum of its proper divisors (110717938843604).

111221202200212 is a wasteful number, since it uses less digits than its factorization.

111221202200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125815839627 (or 125815839625 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111221202200212 its reverse (212002202122111), we get a palindrome (323223404322323).

The spelling of 111221202200212 in words is "one hundred eleven trillion, two hundred twenty-one billion, two hundred two million, two hundred thousand, two hundred twelve".