121012110221201 has 4 divisors (see below), whose sum is σ = 121015647483504. Its totient is φ = 121008572958900.

The previous prime is 121012110221147. The next prime is 121012110221257. The reversal of 121012110221201 is 102122011210121.

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 121012110221201 - 2²² = 121012106026897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121012110221201.

It is not an unprimeable number, because it can be changed into a prime (121012610221201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1768579835 + ... + 1768648256.

It is an arithmetic number, because the mean of its divisors is an integer number (30253911870876).

Almost surely, 2^{121012110221201} is an apocalyptic number.

It is an amenable number.

121012110221201 is a deficient number, since it is larger than the sum of its proper divisors (3537262303).

121012110221201 is an equidigital number, since it uses as much as digits as its factorization.

121012110221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3537262302.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121012110221201 its reverse (102122011210121), we get a palindrome (223134121431322).

The spelling of 121012110221201 in words is "one hundred twenty-one trillion, twelve billion, one hundred ten million, two hundred twenty-one thousand, two hundred one".