1210200002101 has 2 divisors, whose sum is σ = 1210200002102. Its totient is φ = 1210200002100.

The previous prime is 1210200002083. The next prime is 1210200002119. The reversal of 1210200002101 is 1012000020121.

It is a balanced prime because it is at equal distance from previous prime (1210200002083) and next prime (1210200002119).

It can be written as a sum of positive squares in only one way, i.e., 1172728721476 + 37471280625 = 1082926^2 + 193575^2 .

It is an emirp because it is prime and its reverse (1012000020121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1210200002101 - 2¹⁹ = 1210199477813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210200002161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605100001050 + 605100001051.

It is an arithmetic number, because the mean of its divisors is an integer number (605100001051).

Almost surely, 2^{1210200002101} is an apocalyptic number.

It is an amenable number.

1210200002101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210200002101 is an equidigital number, since it uses as much as digits as its factorization.

1210200002101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1210200002101 its reverse (1012000020121), we get a palindrome (2222200022222).

The spelling of 1210200002101 in words is "one trillion, two hundred ten billion, two hundred million, two thousand, one hundred one".