100221122100195 has 12 divisors (see below), whose sum is σ = 173716611640416. Its totient is φ = 53451265120080.

The previous prime is 100221122100173. The next prime is 100221122100221. The reversal of 100221122100195 is 591001221122001.

It is not a de Polignac number, because 100221122100195 - 2¹⁵ = 100221122067427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1113568023291 + ... + 1113568023380.

It is an arithmetic number, because the mean of its divisors is an integer number (14476384303368).

Almost surely, 2^{100221122100195} is an apocalyptic number.

100221122100195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100221122100195 is a deficient number, since it is larger than the sum of its proper divisors (73495489540221).

100221122100195 is a wasteful number, since it uses less digits than its factorization.

100221122100195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227136046682 (or 2227136046679 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

Adding to 100221122100195 its reverse (591001221122001), we get a palindrome (691222343222196).

The spelling of 100221122100195 in words is "one hundred trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred thousand, one hundred ninety-five".