103023312221 has 2 divisors, whose sum is σ = 103023312222. Its totient is φ = 103023312220.

The previous prime is 103023312163. The next prime is 103023312253. The reversal of 103023312221 is 122213320301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72743484100 + 30279828121 = 269710^2 + 174011^2 .

It is a cyclic number.

It is not a de Polignac number, because 103023312221 - 2⁶ = 103023312157 is a prime.

It is a super-2 number, since 2×103023312221² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103023312193 and 103023312202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103023312121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51511656110 + 51511656111.

It is an arithmetic number, because the mean of its divisors is an integer number (51511656111).

Almost surely, 2^103023312221 is an apocalyptic number.

It is an amenable number.

103023312221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103023312221 is an equidigital number, since it uses as much as digits as its factorization.

103023312221 is an evil number, because the sum of its binary digits is even.

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

Adding to 103023312221 its reverse (122213320301), we get a palindrome (225236632522).

The spelling of 103023312221 in words is "one hundred three billion, twenty-three million, three hundred twelve thousand, two hundred twenty-one".