111200211010221 has 8 divisors (see below), whose sum is σ = 148268450134944. Its totient is φ = 74132722946160.

The previous prime is 111200211010129. The next prime is 111200211010241. The reversal of 111200211010221 is 122010112002111.

It is a happy number.

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

It is not a de Polignac number, because 111200211010221 - 2⁷ = 111200211010093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111200211010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200211010241) 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, 187419606 + ... + 188011991.

It is an arithmetic number, because the mean of its divisors is an integer number (18533556266868).

Almost surely, 2^{111200211010221} is an apocalyptic number.

It is an amenable number.

111200211010221 is a deficient number, since it is larger than the sum of its proper divisors (37068239124723).

111200211010221 is an equidigital number, since it uses as much as digits as its factorization.

111200211010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375530331.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111200211010221 its reverse (122010112002111), we get a palindrome (233210323012332).

The spelling of 111200211010221 in words is "one hundred eleven trillion, two hundred billion, two hundred eleven million, ten thousand, two hundred twenty-one".