103203220501 has 2 divisors, whose sum is σ = 103203220502. Its totient is φ = 103203220500.

The previous prime is 103203220469. The next prime is 103203220537. The reversal of 103203220501 is 105022302301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51789925476 + 51413295025 = 227574^2 + 226745^2 .

It is a cyclic number.

It is not a de Polignac number, because 103203220501 - 2⁵ = 103203220469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103203220591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51601610250 + 51601610251.

It is an arithmetic number, because the mean of its divisors is an integer number (51601610251).

Almost surely, 2^103203220501 is an apocalyptic number.

It is an amenable number.

103203220501 is a deficient number, since it is larger than the sum of its proper divisors (1).

103203220501 is an equidigital number, since it uses as much as digits as its factorization.

103203220501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 103203220501 its reverse (105022302301), we get a palindrome (208225522802).

The spelling of 103203220501 in words is "one hundred three billion, two hundred three million, two hundred twenty thousand, five hundred one".