102111211001198 has 32 divisors (see below), whose sum is σ = 176763455791104. Its totient is φ = 43334348918112.

The previous prime is 102111211001153. The next prime is 102111211001227. The reversal of 102111211001198 is 891100112111201.

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 102111211001198.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53974865 + ... + 55834652.

It is an arithmetic number, because the mean of its divisors is an integer number (5523857993472).

Almost surely, 2^{102111211001198} is an apocalyptic number.

102111211001198 is a deficient number, since it is larger than the sum of its proper divisors (74652244789906).

102111211001198 is a wasteful number, since it uses less digits than its factorization.

102111211001198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109810176.

The product of its (nonzero) digits is 288, while the sum is 29.

Adding to 102111211001198 its reverse (891100112111201), we get a palindrome (993211323112399).

The spelling of 102111211001198 in words is "one hundred two trillion, one hundred eleven billion, two hundred eleven million, one thousand, one hundred ninety-eight".