1201210200101 has 4 divisors (see below), whose sum is σ = 1264431789600. Its totient is φ = 1137988610604.

The previous prime is 1201210200077. The next prime is 1201210200181. The reversal of 1201210200101 is 1010020121021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201210200101 - 2¹⁸ = 1201209937957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201210200181) 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 in 3 ways as a sum of consecutive naturals, for example, 31610794721 + ... + 31610794758.

It is an arithmetic number, because the mean of its divisors is an integer number (316107947400).

Almost surely, 2^{1201210200101} is an apocalyptic number.

It is an amenable number.

1201210200101 is a deficient number, since it is larger than the sum of its proper divisors (63221589499).

1201210200101 is an equidigital number, since it uses as much as digits as its factorization.

1201210200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63221589498.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1201210200101 its reverse (1010020121021), we get a palindrome (2211230321122).

The spelling of 1201210200101 in words is "one trillion, two hundred one billion, two hundred ten million, two hundred thousand, one hundred one".