100102021221198 has 16 divisors (see below), whose sum is σ = 208908566027136. Its totient is φ = 31916586476280.

The previous prime is 100102021221187. The next prime is 100102021221199. The reversal of 100102021221198 is 891122120201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102021221199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362688482548 + ... + 362688482823.

It is an arithmetic number, because the mean of its divisors is an integer number (13056785376696).

Almost surely, 2^{100102021221198} is an apocalyptic number.

100102021221198 is an abundant number, since it is smaller than the sum of its proper divisors (108806544805938).

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

100102021221198 is a wasteful number, since it uses less digits than its factorization.

100102021221198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725376965399.

The product of its (nonzero) digits is 1152, while the sum is 30.

Adding to 100102021221198 its reverse (891122120201001), we get a palindrome (991224141422199).

The spelling of 100102021221198 in words is "one hundred trillion, one hundred two billion, twenty-one million, two hundred twenty-one thousand, one hundred ninety-eight".