220100122 has 16 divisors (see below), whose sum is σ = 381350592. Its totient is φ = 94160320.

The previous prime is 220100117. The next prime is 220100129. The reversal of 220100122 is 221001022.

It is a junction number, because it is equal to n+sod(n) for n = 220100099 and 220100108.

It is not an unprimeable number, because it can be changed into a prime (220100129) 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, 293878 + ... + 294625.

It is an arithmetic number, because the mean of its divisors is an integer number (23834412).

Almost surely, 2^220100122 is an apocalyptic number.

220100122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220100122 is a deficient number, since it is larger than the sum of its proper divisors (161250470).

220100122 is a wasteful number, since it uses less digits than its factorization.

220100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588533.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 220100122 is about 14835.7717022068. The cubic root of 220100122 is about 603.7726382097.

Adding to 220100122 its reverse (221001022), we get a palindrome (441101144).

The spelling of 220100122 in words is "two hundred twenty million, one hundred thousand, one hundred twenty-two".