111221211002203 has 8 divisors (see below), whose sum is σ = 111233199868560. Its totient is φ = 111209222735520.

The previous prime is 111221211002141. The next prime is 111221211002303. The reversal of 111221211002203 is 302200112122111.

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

It is a cyclic number.

It is not a de Polignac number, because 111221211002203 - 2²⁵ = 111221177447771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111221211002303) 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, 436999501 + ... + 437253937.

It is an arithmetic number, because the mean of its divisors is an integer number (13904149983570).

Almost surely, 2^{111221211002203} is an apocalyptic number.

111221211002203 is a deficient number, since it is larger than the sum of its proper divisors (11988866357).

111221211002203 is a wasteful number, since it uses less digits than its factorization.

111221211002203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299837.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111221211002203 its reverse (302200112122111), we get a palindrome (413421323124314).

It can be divided in two parts, 11122121 and 1002203, that added together give a square (12124324 = 3482²).

The spelling of 111221211002203 in words is "one hundred eleven trillion, two hundred twenty-one billion, two hundred eleven million, two thousand, two hundred three".