111203020200221 has 8 divisors (see below), whose sum is σ = 113301358986240. Its totient is φ = 109104687658512.

The previous prime is 111203020200203. The next prime is 111203020200257. The reversal of 111203020200221 is 122002020302111.

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 111203020200221 - 2³⁴ = 111185840331037 is a prime.

It is a super-2 number, since 2×111203020200221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111203020200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111203020208221) 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, 50818820 + ... + 52961858.

It is an arithmetic number, because the mean of its divisors is an integer number (14162669873280).

Almost surely, 2^{111203020200221} is an apocalyptic number.

It is an amenable number.

111203020200221 is a deficient number, since it is larger than the sum of its proper divisors (2098338786019).

111203020200221 is an equidigital number, since it uses as much as digits as its factorization.

111203020200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122155.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 111203020200221 its reverse (122002020302111), we get a palindrome (233205040502332).

The spelling of 111203020200221 in words is "one hundred eleven trillion, two hundred three billion, twenty million, two hundred thousand, two hundred twenty-one".