221002202112211 has 8 divisors (see below), whose sum is σ = 241554645707984. Its totient is φ = 200957226259680.

The previous prime is 221002202112137. The next prime is 221002202112217. The reversal of 221002202112211 is 112211202200122.

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 221002202112211 - 2¹⁵ = 221002202079443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221002202112217) 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, 126866934900 + ... + 126866936641.

It is an arithmetic number, because the mean of its divisors is an integer number (30194330713498).

Almost surely, 2^{221002202112211} is an apocalyptic number.

221002202112211 is a deficient number, since it is larger than the sum of its proper divisors (20552443595773).

221002202112211 is a wasteful number, since it uses less digits than its factorization.

221002202112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253733871621.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221002202112211 its reverse (112211202200122), we get a palindrome (333213404312333).

The spelling of 221002202112211 in words is "two hundred twenty-one trillion, two billion, two hundred two million, one hundred twelve thousand, two hundred eleven".