21120101200195 has 8 divisors (see below), whose sum is σ = 25345265622336. Its totient is φ = 16895318172096.

The previous prime is 21120101200153. The next prime is 21120101200201. The reversal of 21120101200195 is 59100210102112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21120101200195 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95226667 + ... + 95448196.

It is an arithmetic number, because the mean of its divisors is an integer number (3168158202792).

Almost surely, 2^{21120101200195} is an apocalyptic number.

21120101200195 is a deficient number, since it is larger than the sum of its proper divisors (4225164422141).

21120101200195 is a wasteful number, since it uses less digits than its factorization.

21120101200195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190697021.

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

The spelling of 21120101200195 in words is "twenty-one trillion, one hundred twenty billion, one hundred one million, two hundred thousand, one hundred ninety-five".