103122220121 has 8 divisors (see below), whose sum is σ = 104386797984. Its totient is φ = 101858169600.

The previous prime is 103122220093. The next prime is 103122220129. The reversal of 103122220121 is 121022221301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103122220121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103122220121.

It is not an unprimeable number, because it can be changed into a prime (103122220129) 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, 269090 + ... + 527876.

It is an arithmetic number, because the mean of its divisors is an integer number (13048349748).

Almost surely, 2^103122220121 is an apocalyptic number.

It is an amenable number.

103122220121 is a deficient number, since it is larger than the sum of its proper divisors (1264577863).

103122220121 is an equidigital number, since it uses as much as digits as its factorization.

103122220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263671.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 103122220121 its reverse (121022221301), we get a palindrome (224144441422).

The spelling of 103122220121 in words is "one hundred three billion, one hundred twenty-two million, two hundred twenty thousand, one hundred twenty-one".