220212022111 has 4 divisors (see below), whose sum is σ = 221199520192. Its totient is φ = 219224524032.

The previous prime is 220212022109. The next prime is 220212022153. The reversal of 220212022111 is 111220212022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111220212022 = 2 ⋅55610106011.

It is a cyclic number.

It is not a de Polignac number, because 220212022111 - 2¹ = 220212022109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212022711) 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, 493748706 + ... + 493749151.

It is an arithmetic number, because the mean of its divisors is an integer number (55299880048).

Almost surely, 2^220212022111 is an apocalyptic number.

220212022111 is a deficient number, since it is larger than the sum of its proper divisors (987498081).

220212022111 is an equidigital number, since it uses as much as digits as its factorization.

220212022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987498080.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220212022111 its reverse (111220212022), we get a palindrome (331432234133).

It can be divided in two parts, 220212022 and 111, that multiplied together give a palindrome (24443534442).

The spelling of 220212022111 in words is "two hundred twenty billion, two hundred twelve million, twenty-two thousand, one hundred eleven".