111020200221 has 32 divisors (see below), whose sum is σ = 186913087488. Its totient is φ = 57112323840.

The previous prime is 111020200219. The next prime is 111020200241. The reversal of 111020200221 is 122002020111.

It is not a de Polignac number, because 111020200221 - 2¹ = 111020200219 is a prime.

It is a super-3 number, since 3×111020200221³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 111020200197 and 111020200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020200241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6752245 + ... + 6768666.

It is an arithmetic number, because the mean of its divisors is an integer number (5841033984).

Almost surely, 2^111020200221 is an apocalyptic number.

It is an amenable number.

111020200221 is a deficient number, since it is larger than the sum of its proper divisors (75892887267).

111020200221 is a wasteful number, since it uses less digits than its factorization.

111020200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13520961.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111020200221 its reverse (122002020111), we get a palindrome (233022220332).

The spelling of 111020200221 in words is "one hundred eleven billion, twenty million, two hundred thousand, two hundred twenty-one".