121002011110201 has 8 divisors (see below), whose sum is σ = 130314802519944. Its totient is φ = 111689926043520.

The previous prime is 121002011110187. The next prime is 121002011110223. The reversal of 121002011110201 is 102011110200121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1098197106601 + 119903814003600 = 1047949^2 + 10950060^2 .

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 121002011110201 - 2⁷ = 121002011110073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121002011110261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176229940 + ... + 176915221.

It is an arithmetic number, because the mean of its divisors is an integer number (16289350314993).

Almost surely, 2^{121002011110201} is an apocalyptic number.

It is an amenable number.

121002011110201 is a deficient number, since it is larger than the sum of its proper divisors (9312791409743).

121002011110201 is a wasteful number, since it uses less digits than its factorization.

121002011110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353171531.

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

Adding to 121002011110201 its reverse (102011110200121), we get a palindrome (223013121310322).

The spelling of 121002011110201 in words is "one hundred twenty-one trillion, two billion, eleven million, one hundred ten thousand, two hundred one".