220101102191 has 8 divisors (see below), whose sum is σ = 227697729600. Its totient is φ = 212504937120.

The previous prime is 220101102173. The next prime is 220101102211. The reversal of 220101102191 is 191201101022.

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 220101102191 - 2¹⁰ = 220101101167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220101102121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053545 + ... + 1245053.

It is an arithmetic number, because the mean of its divisors is an integer number (28462216200).

Almost surely, 2^220101102191 is an apocalyptic number.

220101102191 is a deficient number, since it is larger than the sum of its proper divisors (7596627409).

220101102191 is a wasteful number, since it uses less digits than its factorization.

220101102191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231169.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 220101102191 in words is "two hundred twenty billion, one hundred one million, one hundred two thousand, one hundred ninety-one".