1210100110201 has 2 divisors, whose sum is σ = 1210100110202. Its totient is φ = 1210100110200.

The previous prime is 1210100110199. The next prime is 1210100110213. The reversal of 1210100110201 is 1020110010121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 869837887801 + 340262222400 = 932651^2 + 583320^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210100110201 - 2¹ = 1210100110199 is a prime.

Together with 1210100110199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1210100110231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605050055100 + 605050055101.

It is an arithmetic number, because the mean of its divisors is an integer number (605050055101).

Almost surely, 2^{1210100110201} is an apocalyptic number.

It is an amenable number.

1210100110201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210100110201 is an equidigital number, since it uses as much as digits as its factorization.

1210100110201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1210100110201 its reverse (1020110010121), we get a palindrome (2230210120322).

The spelling of 1210100110201 in words is "one trillion, two hundred ten billion, one hundred million, one hundred ten thousand, two hundred one".