1210203104101 has 2 divisors, whose sum is σ = 1210203104102. Its totient is φ = 1210203104100.

The previous prime is 1210203104087. The next prime is 1210203104171. The reversal of 1210203104101 is 1014013020121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 673632204001 + 536570900100 = 820751^2 + 732510^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210203104101 - 2⁵ = 1210203104069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210203104171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605101552050 + 605101552051.

It is an arithmetic number, because the mean of its divisors is an integer number (605101552051).

Almost surely, 2^{1210203104101} is an apocalyptic number.

It is an amenable number.

1210203104101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210203104101 is an equidigital number, since it uses as much as digits as its factorization.

1210203104101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1210203104101 its reverse (1014013020121), we get a palindrome (2224216124222).

The spelling of 1210203104101 in words is "one trillion, two hundred ten billion, two hundred three million, one hundred four thousand, one hundred one".