221000200093 has 4 divisors (see below), whose sum is σ = 223188320988. Its totient is φ = 218812079200.

The previous prime is 221000200061. The next prime is 221000200111. The reversal of 221000200093 is 390002000122.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 197112024729 + 23888175364 = 443973^2 + 154558^2 .

It is a cyclic number.

It is not a de Polignac number, because 221000200093 - 2⁵ = 221000200061 is a prime.

It is a super-2 number, since 2×221000200093² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221000200093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221000200013) by changing a digit.

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, 1094060296 + ... + 1094060497.

It is an arithmetic number, because the mean of its divisors is an integer number (55797080247).

Almost surely, 2^221000200093 is an apocalyptic number.

It is an amenable number.

221000200093 is a deficient number, since it is larger than the sum of its proper divisors (2188120895).

221000200093 is a wasteful number, since it uses less digits than its factorization.

221000200093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188120894.

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 221000200093 in words is "two hundred twenty-one billion, two hundred thousand, ninety-three".