111020211100208 has 40 divisors (see below), whose sum is σ = 215338356414000. Its totient is φ = 55449025224704.

The previous prime is 111020211100121. The next prime is 111020211100217. The reversal of 111020211100208 is 802001112020111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111020211100208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987641735 + ... + 987754137.

It is an arithmetic number, because the mean of its divisors is an integer number (5383458910350).

Almost surely, 2^{111020211100208} is an apocalyptic number.

It is an amenable number.

111020211100208 is a deficient number, since it is larger than the sum of its proper divisors (104318145313792).

111020211100208 is a wasteful number, since it uses less digits than its factorization.

111020211100208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179789 (or 179783 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111020211100208 its reverse (802001112020111), we get a palindrome (913021323120319).

The spelling of 111020211100208 in words is "one hundred eleven trillion, twenty billion, two hundred eleven million, one hundred thousand, two hundred eight".