220212101111 has 4 divisors (see below), whose sum is σ = 220216472424. Its totient is φ = 220207729800.

The previous prime is 220212101101. The next prime is 220212101113. The reversal of 220212101111 is 111101212022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111101212022 = 2 ⋅55550606011.

It is a cyclic number.

It is not a de Polignac number, because 220212101111 - 2³⁰ = 219138359287 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 (220212101113) 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, 2109200 + ... + 2211141.

It is an arithmetic number, because the mean of its divisors is an integer number (55054118106).

Almost surely, 2^220212101111 is an apocalyptic number.

220212101111 is a deficient number, since it is larger than the sum of its proper divisors (4371313).

220212101111 is an equidigital number, since it uses as much as digits as its factorization.

220212101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371312.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220212101111 its reverse (111101212022), we get a palindrome (331313313133).

The spelling of 220212101111 in words is "two hundred twenty billion, two hundred twelve million, one hundred one thousand, one hundred eleven".