220012221220111 has 4 divisors (see below), whose sum is σ = 220806489167032. Its totient is φ = 219217953273192.

The previous prime is 220012221220093. The next prime is 220012221220117. The reversal of 220012221220111 is 111022122210022.

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 220012221220111 - 2⁷ = 220012221219983 is a prime.

It is a super-2 number, since 2×220012221220111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012221220117) 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, 397133973045 + ... + 397133973598.

It is an arithmetic number, because the mean of its divisors is an integer number (55201622291758).

Almost surely, 2^{220012221220111} is an apocalyptic number.

220012221220111 is a deficient number, since it is larger than the sum of its proper divisors (794267946921).

220012221220111 is an equidigital number, since it uses as much as digits as its factorization.

220012221220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794267946920.

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

Adding to 220012221220111 its reverse (111022122210022), we get a palindrome (331034343430133).

The spelling of 220012221220111 in words is "two hundred twenty trillion, twelve billion, two hundred twenty-one million, two hundred twenty thousand, one hundred eleven".