221000222100202 has 8 divisors (see below), whose sum is σ = 331884458683776. Its totient is φ = 110372069205612.

The previous prime is 221000222100187. The next prime is 221000222100247. The reversal of 221000222100202 is 202001222000122.

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

It is a super-2 number, since 2×221000222100202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64020920088 + ... + 64020923539.

It is an arithmetic number, because the mean of its divisors is an integer number (41485557335472).

Almost surely, 2^{221000222100202} is an apocalyptic number.

221000222100202 is a deficient number, since it is larger than the sum of its proper divisors (110884236583574).

221000222100202 is a wasteful number, since it uses less digits than its factorization.

221000222100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128041844492.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221000222100202 its reverse (202001222000122), we get a palindrome (423001444100324).

The spelling of 221000222100202 in words is "two hundred twenty-one trillion, two hundred twenty-two million, one hundred thousand, two hundred two".