1201210220101 has 8 divisors (see below), whose sum is σ = 1203271718400. Its totient is φ = 1199148910128.

The previous prime is 1201210220099. The next prime is 1201210220113. The reversal of 1201210220101 is 1010220121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201210220101 - 2¹ = 1201210220099 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 (1201210220201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19884795 + ... + 19945111.

It is an arithmetic number, because the mean of its divisors is an integer number (150408964800).

Almost surely, 2^{1201210220101} is an apocalyptic number.

It is an amenable number.

1201210220101 is a deficient number, since it is larger than the sum of its proper divisors (2061498299).

1201210220101 is an equidigital number, since it uses as much as digits as its factorization.

1201210220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94163.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201210220101 its reverse (1010220121021), we get a palindrome (2211430341122).

The spelling of 1201210220101 in words is "one trillion, two hundred one billion, two hundred ten million, two hundred twenty thousand, one hundred one".