21100220021195 has 8 divisors (see below), whose sum is σ = 28937444600544. Its totient is φ = 14468722300224.

The previous prime is 21100220021173. The next prime is 21100220021291. The reversal of 21100220021195 is 59112002200112.

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

It is a cyclic number.

It is not a de Polignac number, because 21100220021195 - 2¹⁴ = 21100220004811 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, 301431714554 + ... + 301431714623.

It is an arithmetic number, because the mean of its divisors is an integer number (3617180575068).

Almost surely, 2^{21100220021195} is an apocalyptic number.

21100220021195 is a deficient number, since it is larger than the sum of its proper divisors (7837224579349).

21100220021195 is an equidigital number, since it uses as much as digits as its factorization.

21100220021195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602863429189.

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 21100220021195 in words is "twenty-one trillion, one hundred billion, two hundred twenty million, twenty-one thousand, one hundred ninety-five".