103221321143 has 4 divisors (see below), whose sum is σ = 103274777928. Its totient is φ = 103167864360.

The previous prime is 103221321139. The next prime is 103221321149. The reversal of 103221321143 is 341123122301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341123122301 = 13 ⋅26240240177.

It is a cyclic number.

It is not a de Polignac number, because 103221321143 - 2² = 103221321139 is a prime.

It is a super-2 number, since 2×103221321143² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103221321149) 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, 26725496 + ... + 26729357.

It is an arithmetic number, because the mean of its divisors is an integer number (25818694482).

Almost surely, 2^103221321143 is an apocalyptic number.

103221321143 is a deficient number, since it is larger than the sum of its proper divisors (53456785).

103221321143 is an equidigital number, since it uses as much as digits as its factorization.

103221321143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53456784.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 103221321143 its reverse (341123122301), we get a palindrome (444344443444).

The spelling of 103221321143 in words is "one hundred three billion, two hundred twenty-one million, three hundred twenty-one thousand, one hundred forty-three".