103222320121 has 4 divisors (see below), whose sum is σ = 106781710500. Its totient is φ = 99662929744.

The previous prime is 103222320109. The next prime is 103222320151. The reversal of 103222320121 is 121023222301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55313865721 + 47908454400 = 235189^2 + 218880^2 .

It is a cyclic number.

It is not a de Polignac number, because 103222320121 - 2²⁷ = 103088102393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103222320151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1779695146 + ... + 1779695203.

It is an arithmetic number, because the mean of its divisors is an integer number (26695427625).

Almost surely, 2^103222320121 is an apocalyptic number.

It is an amenable number.

103222320121 is a deficient number, since it is larger than the sum of its proper divisors (3559390379).

103222320121 is an equidigital number, since it uses as much as digits as its factorization.

103222320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559390378.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 103222320121 its reverse (121023222301), we get a palindrome (224245542422).

The spelling of 103222320121 in words is "one hundred three billion, two hundred twenty-two million, three hundred twenty thousand, one hundred twenty-one".