221010100122095 has 4 divisors (see below), whose sum is σ = 265212120146520. Its totient is φ = 176808080097672.

The previous prime is 221010100122067. The next prime is 221010100122101. The reversal of 221010100122095 is 590221001010122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221010100122095 - 2³⁰ = 221009026380271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22101010012205 + ... + 22101010012214.

It is an arithmetic number, because the mean of its divisors is an integer number (66303030036630).

Almost surely, 2^{221010100122095} is an apocalyptic number.

221010100122095 is a deficient number, since it is larger than the sum of its proper divisors (44202020024425).

221010100122095 is an equidigital number, since it uses as much as digits as its factorization.

221010100122095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44202020024424.

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

The spelling of 221010100122095 in words is "two hundred twenty-one trillion, ten billion, one hundred million, one hundred twenty-two thousand, ninety-five".