103121220441 has 4 divisors (see below), whose sum is σ = 137494960592. Its totient is φ = 68747480292.

The previous prime is 103121220439. The next prime is 103121220443. The reversal of 103121220441 is 144022121301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (103121220439) and next prime (103121220443).

It is not a de Polignac number, because 103121220441 - 2¹ = 103121220439 is a prime.

It is a super-2 number, since 2×103121220441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103121220443) 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, 17186870071 + ... + 17186870076.

It is an arithmetic number, because the mean of its divisors is an integer number (34373740148).

Almost surely, 2^103121220441 is an apocalyptic number.

It is an amenable number.

103121220441 is a deficient number, since it is larger than the sum of its proper divisors (34373740151).

103121220441 is an equidigital number, since it uses as much as digits as its factorization.

103121220441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34373740150.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 103121220441 its reverse (144022121301), we get a palindrome (247143341742).

The spelling of 103121220441 in words is "one hundred three billion, one hundred twenty-one million, two hundred twenty thousand, four hundred forty-one".