103000102021 has 2 divisors, whose sum is σ = 103000102022. Its totient is φ = 103000102020.

The previous prime is 103000101991. The next prime is 103000102033. The reversal of 103000102021 is 120201000301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89529017796 + 13471084225 = 299214^2 + 116065^2 .

It is a cyclic number.

It is not a de Polignac number, because 103000102021 - 2¹¹ = 103000099973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103000101989 and 103000102007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103000102921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51500051010 + 51500051011.

It is an arithmetic number, because the mean of its divisors is an integer number (51500051011).

Almost surely, 2^103000102021 is an apocalyptic number.

It is an amenable number.

103000102021 is a deficient number, since it is larger than the sum of its proper divisors (1).

103000102021 is an equidigital number, since it uses as much as digits as its factorization.

103000102021 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.

Adding to 103000102021 its reverse (120201000301), we get a palindrome (223201102322).

The spelling of 103000102021 in words is "one hundred three billion, one hundred two thousand, twenty-one".