220212011101211 has 4 divisors (see below), whose sum is σ = 220304034509832. Its totient is φ = 220119987692592.

The previous prime is 220212011101183. The next prime is 220212011101213. The reversal of 220212011101211 is 112101110212022.

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 220212011101211 - 2¹⁴ = 220212011084827 is a prime.

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 220212011101211.

It is not an unprimeable number, because it can be changed into a prime (220212011101213) 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, 46011700721 + ... + 46011705506.

It is an arithmetic number, because the mean of its divisors is an integer number (55076008627458).

Almost surely, 2^{220212011101211} is an apocalyptic number.

220212011101211 is a deficient number, since it is larger than the sum of its proper divisors (92023408621).

220212011101211 is an equidigital number, since it uses as much as digits as its factorization.

220212011101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92023408620.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 220212011101211 its reverse (112101110212022), we get a palindrome (332313121313233).

The spelling of 220212011101211 in words is "two hundred twenty trillion, two hundred twelve billion, eleven million, one hundred one thousand, two hundred eleven".