121012001101201 has 24 divisors (see below), whose sum is σ = 149321648991296. Its totient is φ = 96022747710720.

The previous prime is 121012001101151. The next prime is 121012001101213. The reversal of 121012001101201 is 102101100210121.

It is a happy number.

It is not a de Polignac number, because 121012001101201 - 2⁹ = 121012001100689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121012001101261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490188831 + ... + 490435636.

Almost surely, 2^{121012001101201} is an apocalyptic number.

It is an amenable number.

121012001101201 is a deficient number, since it is larger than the sum of its proper divisors (28309647890095).

121012001101201 is an equidigital number, since it uses as much as digits as its factorization.

121012001101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980624569 (or 980624552 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121012001101201 its reverse (102101100210121), we get a palindrome (223113101311322).

The spelling of 121012001101201 in words is "one hundred twenty-one trillion, twelve billion, one million, one hundred one thousand, two hundred one".