220111101020111 has 16 divisors (see below), whose sum is σ = 258541877898240. Its totient is φ = 183498196733280.

The previous prime is 220111101020099. The next prime is 220111101020219. The reversal of 220111101020111 is 111020101111022.

It is a cyclic number.

It is not a de Polignac number, because 220111101020111 - 2¹⁰ = 220111101019087 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 (220111101020411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2970342980 + ... + 2970417081.

It is an arithmetic number, because the mean of its divisors is an integer number (16158867368640).

Almost surely, 2^{220111101020111} is an apocalyptic number.

220111101020111 is a deficient number, since it is larger than the sum of its proper divisors (38430776878129).

220111101020111 is an equidigital number, since it uses as much as digits as its factorization.

220111101020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940760214.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 220111101020111 its reverse (111020101111022), we get a palindrome (331131202131133).

The spelling of 220111101020111 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred one million, twenty thousand, one hundred eleven".