103011203221 has 2 divisors, whose sum is σ = 103011203222. Its totient is φ = 103011203220.

The previous prime is 103011203219. The next prime is 103011203237. The reversal of 103011203221 is 122302110301.

It is an a-pointer prime, because the next prime (103011203237) can be obtained adding 103011203221 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73164840100 + 29846363121 = 270490^2 + 172761^2 .

It is a cyclic number.

It is not a de Polignac number, because 103011203221 - 2¹ = 103011203219 is a prime.

It is a super-2 number, since 2×103011203221² (a number of 23 digits) contains 22 as substring.

Together with 103011203219, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 103011203195 and 103011203204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103011203291) 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, 51505601610 + 51505601611.

It is an arithmetic number, because the mean of its divisors is an integer number (51505601611).

Almost surely, 2^103011203221 is an apocalyptic number.

It is an amenable number.

103011203221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103011203221 is an equidigital number, since it uses as much as digits as its factorization.

103011203221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103011203221 its reverse (122302110301), we get a palindrome (225313313522).

The spelling of 103011203221 in words is "one hundred three billion, eleven million, two hundred three thousand, two hundred twenty-one".