1023101232221 has 2 divisors, whose sum is σ = 1023101232222. Its totient is φ = 1023101232220.

The previous prime is 1023101232071. The next prime is 1023101232239. The reversal of 1023101232221 is 1222321013201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 994068820900 + 29032411321 = 997030^2 + 170389^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023101232221 - 2¹⁰ = 1023101231197 is a prime.

It is a super-2 number, since 2×1023101232221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1023101232193 and 1023101232202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023101232721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511550616110 + 511550616111.

It is an arithmetic number, because the mean of its divisors is an integer number (511550616111).

Almost surely, 2^{1023101232221} is an apocalyptic number.

It is an amenable number.

1023101232221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023101232221 is an equidigital number, since it uses as much as digits as its factorization.

1023101232221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1023101232221 its reverse (1222321013201), we get a palindrome (2245422245422).

The spelling of 1023101232221 in words is "one trillion, twenty-three billion, one hundred one million, two hundred thirty-two thousand, two hundred twenty-one".