103218122 has 16 divisors (see below), whose sum is σ = 177161472. Its totient is φ = 44182320.

The previous prime is 103218121. The next prime is 103218149. The reversal of 103218122 is 221812301.

It is a junction number, because it is equal to n+sod(n) for n = 103218094 and 103218103.

It is not an unprimeable number, because it can be changed into a prime (103218121) 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, 8708 + ... + 16800.

It is an arithmetic number, because the mean of its divisors is an integer number (11072592).

Almost surely, 2^103218122 is an apocalyptic number.

103218122 is a deficient number, since it is larger than the sum of its proper divisors (73943350).

103218122 is an equidigital number, since it uses as much as digits as its factorization.

103218122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9013.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 103218122 is about 10159.6319815237. The cubic root of 103218122 is about 469.0854738191.

The spelling of 103218122 in words is "one hundred three million, two hundred eighteen thousand, one hundred twenty-two".