220232220111 has 8 divisors (see below), whose sum is σ = 326269955760. Its totient is φ = 146821480056.

The previous prime is 220232220073. The next prime is 220232220121. The reversal of 220232220111 is 111022232022.

220232220111 is a `hidden beast` number, since 220 + 232 + 2 + 201 + 11 = 666.

It is not a de Polignac number, because 220232220111 - 2²² = 220228025807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220232220121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4078374420 + ... + 4078374473.

It is an arithmetic number, because the mean of its divisors is an integer number (40783744470).

Almost surely, 2^220232220111 is an apocalyptic number.

220232220111 is a deficient number, since it is larger than the sum of its proper divisors (106037735649).

220232220111 is an equidigital number, since it uses as much as digits as its factorization.

220232220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8156748902 (or 8156748896 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 220232220111 its reverse (111022232022), we get a palindrome (331254452133).

The spelling of 220232220111 in words is "two hundred twenty billion, two hundred thirty-two million, two hundred twenty thousand, one hundred eleven".