21201100201195 has 16 divisors (see below), whose sum is σ = 25493684248800. Its totient is φ = 16925972313600.

The previous prime is 21201100201159. The next prime is 21201100201201. The reversal of 21201100201195 is 59110200110212.

It is not a de Polignac number, because 21201100201195 - 2⁷ = 21201100201067 is a prime.

It is a super-2 number, since 2×21201100201195² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225619081 + ... + 225713029.

It is an arithmetic number, because the mean of its divisors is an integer number (1593355265550).

Almost surely, 2^{21201100201195} is an apocalyptic number.

21201100201195 is a deficient number, since it is larger than the sum of its proper divisors (4292584047605).

21201100201195 is an equidigital number, since it uses as much as digits as its factorization.

21201100201195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186366.

The product of its (nonzero) digits is 360, while the sum is 25.

The spelling of 21201100201195 in words is "twenty-one trillion, two hundred one billion, one hundred million, two hundred one thousand, one hundred ninety-five".