220212122212211 has 4 divisors (see below), whose sum is σ = 220275970323000. Its totient is φ = 220148274101424.

The previous prime is 220212122212111. The next prime is 220212122212337. The reversal of 220212122212211 is 112212221212022.

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 220212122212211 - 2²⁶ = 220212055103347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220212122212111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31924050221 + ... + 31924057118.

It is an arithmetic number, because the mean of its divisors is an integer number (55068992580750).

Almost surely, 2^{220212122212211} is an apocalyptic number.

220212122212211 is a deficient number, since it is larger than the sum of its proper divisors (63848110789).

220212122212211 is an equidigital number, since it uses as much as digits as its factorization.

220212122212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63848110788.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 220212122212211 its reverse (112212221212022), we get a palindrome (332424343424233).

The spelling of 220212122212211 in words is "two hundred twenty trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, two hundred eleven".