103220204121 has 32 divisors (see below), whose sum is σ = 162022291200. Its totient is φ = 64722320640.

The previous prime is 103220204089. The next prime is 103220204201. The reversal of 103220204121 is 121402022301.

It is a happy number.

103220204121 is a `hidden beast` number, since 10 + 3 + 220 + 20 + 412 + 1 = 666.

It is not a de Polignac number, because 103220204121 - 2⁵ = 103220204089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103220204094 and 103220204103.

It is not an unprimeable number, because it can be changed into a prime (103220204921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 619135 + ... + 767963.

It is an arithmetic number, because the mean of its divisors is an integer number (5063196600).

Almost surely, 2^103220204121 is an apocalyptic number.

It is an amenable number.

103220204121 is a deficient number, since it is larger than the sum of its proper divisors (58802087079).

103220204121 is a wasteful number, since it uses less digits than its factorization.

103220204121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150366 (or 150360 counting only the distinct ones).

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

Adding to 103220204121 its reverse (121402022301), we get a palindrome (224622226422).

The spelling of 103220204121 in words is "one hundred three billion, two hundred twenty million, two hundred four thousand, one hundred twenty-one".