220100221122111 has 12 divisors (see below), whose sum is σ = 346824590859240. Its totient is φ = 133394073407280.

The previous prime is 220100221122097. The next prime is 220100221122211. The reversal of 220100221122111 is 111221122001022.

220100221122111 is a `hidden beast` number, since 220 + 1 + 0 + 0 + 2 + 211 + 221 + 11 = 666.

It is not a de Polignac number, because 220100221122111 - 2⁵ = 220100221122079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220100221122211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1111617278296 + ... + 1111617278493.

It is an arithmetic number, because the mean of its divisors is an integer number (28902049238270).

Almost surely, 2^{220100221122111} is an apocalyptic number.

220100221122111 is a deficient number, since it is larger than the sum of its proper divisors (126724369737129).

220100221122111 is a wasteful number, since it uses less digits than its factorization.

220100221122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223234556806 (or 2223234556803 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220100221122111 its reverse (111221122001022), we get a palindrome (331321343123133).

The spelling of 220100221122111 in words is "two hundred twenty trillion, one hundred billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred eleven".