102110202198 has 48 divisors (see below), whose sum is σ = 221771827680. Its totient is φ = 33954826752.

The previous prime is 102110202197. The next prime is 102110202251. The reversal of 102110202198 is 891202011201.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110202193) 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 23 ways as a sum of consecutive naturals, for example, 15781308 + ... + 15787776.

It is an arithmetic number, because the mean of its divisors is an integer number (4620246410).

Almost surely, 2^102110202198 is an apocalyptic number.

102110202198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

102110202198 is an abundant number, since it is smaller than the sum of its proper divisors (119661625482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102110202198 is a wasteful number, since it uses less digits than its factorization.

102110202198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453 (or 8450 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

Adding to 102110202198 its reverse (891202011201), we get a palindrome (993312213399).

The spelling of 102110202198 in words is "one hundred two billion, one hundred ten million, two hundred two thousand, one hundred ninety-eight".