111200220106 has 8 divisors (see below), whose sum is σ = 176612114340. Its totient is φ = 52329515328.

The previous prime is 111200220091. The next prime is 111200220127. The reversal of 111200220106 is 601022002111.

It can be written as a sum of positive squares in 2 ways, for example, as 109302310881 + 1897909225 = 330609^2 + 43565^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 111200220106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1635297321 + ... + 1635297388.

Almost surely, 2^111200220106 is an apocalyptic number.

111200220106 is a deficient number, since it is larger than the sum of its proper divisors (65411894234).

111200220106 is a wasteful number, since it uses less digits than its factorization.

111200220106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270594728.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111200220106 its reverse (601022002111), we get a palindrome (712222222217).

The spelling of 111200220106 in words is "one hundred eleven billion, two hundred million, two hundred twenty thousand, one hundred six".