103132023221 has 4 divisors (see below), whose sum is σ = 103151498412. Its totient is φ = 103112548032.

The previous prime is 103132023209. The next prime is 103132023257. The reversal of 103132023221 is 122320231301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122320231301 = 3581 ⋅34158121.

It can be written as a sum of positive squares in 2 ways, for example, as 88512795121 + 14619228100 = 297511^2 + 120910^2 .

It is a cyclic number.

It is not a de Polignac number, because 103132023221 - 2³⁰ = 102058281397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103132023193 and 103132023202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103137023221) 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, 9729650 + ... + 9740243.

It is an arithmetic number, because the mean of its divisors is an integer number (25787874603).

Almost surely, 2^103132023221 is an apocalyptic number.

It is an amenable number.

103132023221 is a deficient number, since it is larger than the sum of its proper divisors (19475191).

103132023221 is an equidigital number, since it uses as much as digits as its factorization.

103132023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19475190.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 103132023221 its reverse (122320231301), we get a palindrome (225452254522).

The spelling of 103132023221 in words is "one hundred three billion, one hundred thirty-two million, twenty-three thousand, two hundred twenty-one".