103210212101 has 2 divisors, whose sum is σ = 103210212102. Its totient is φ = 103210212100.

The previous prime is 103210212097. The next prime is 103210212143. The reversal of 103210212101 is 101212012301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97675000900 + 5535211201 = 312530^2 + 74399^2 .

It is a cyclic number.

It is not a de Polignac number, because 103210212101 - 2² = 103210212097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103210214101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51605106050 + 51605106051.

It is an arithmetic number, because the mean of its divisors is an integer number (51605106051).

Almost surely, 2^103210212101 is an apocalyptic number.

It is an amenable number.

103210212101 is a deficient number, since it is larger than the sum of its proper divisors (1).

103210212101 is an equidigital number, since it uses as much as digits as its factorization.

103210212101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 103210212101 its reverse (101212012301), we get a palindrome (204422224402).

The spelling of 103210212101 in words is "one hundred three billion, two hundred ten million, two hundred twelve thousand, one hundred one".