221122222010211 has 16 divisors (see below), whose sum is σ = 298039094949024. Its totient is φ = 145818732724224.

The previous prime is 221122222010159. The next prime is 221122222010233. The reversal of 221122222010211 is 112010222221122.

It is not a de Polignac number, because 221122222010211 - 2¹⁵ = 221122221977443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221122222010281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081254046 + ... + 1081458531.

It is an arithmetic number, because the mean of its divisors is an integer number (18627443434314).

Almost surely, 2^{221122222010211} is an apocalyptic number.

221122222010211 is a deficient number, since it is larger than the sum of its proper divisors (76916872938813).

221122222010211 is a wasteful number, since it uses less digits than its factorization.

221122222010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162712950.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 221122222010211 its reverse (112010222221122), we get a palindrome (333132444231333).

The spelling of 221122222010211 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, two hundred twenty-two million, ten thousand, two hundred eleven".