103021201 has 2 divisors, whose sum is σ = 103021202. Its totient is φ = 103021200.

The previous prime is 103021199. The next prime is 103021229. The reversal of 103021201 is 102120301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102819600 + 201601 = 10140^2 + 449^2 .

It is an emirp because it is prime and its reverse (102120301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103021201 - 2¹ = 103021199 is a prime.

It is a super-2 number, since 2×103021201² = 21226735710964802, which contains 22 as substring.

Together with 103021199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103021271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510600 + 51510601.

It is an arithmetic number, because the mean of its divisors is an integer number (51510601).

Almost surely, 2^103021201 is an apocalyptic number.

It is an amenable number.

103021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

103021201 is an equidigital number, since it uses as much as digits as its factorization.

103021201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 103021201 is about 10149.9360096505. The cubic root of 103021201 is about 468.7869746004.

Adding to 103021201 its reverse (102120301), we get a palindrome (205141502).

The spelling of 103021201 in words is "one hundred three million, twenty-one thousand, two hundred one".