121333122212201 has 4 divisors (see below), whose sum is σ = 121342454824404. Its totient is φ = 121323789600000.

The previous prime is 121333122212161. The next prime is 121333122212279. The reversal of 121333122212201 is 102212221333121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56533842172201 + 64799280040000 = 7518899^2 + 8049800^2 .

It is a cyclic number.

It is not a de Polignac number, because 121333122212201 - 2¹⁸ = 121333121950057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121333122212101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4666286600 + ... + 4666312601.

It is an arithmetic number, because the mean of its divisors is an integer number (30335613706101).

Almost surely, 2^{121333122212201} is an apocalyptic number.

It is an amenable number.

121333122212201 is a deficient number, since it is larger than the sum of its proper divisors (9332612203).

121333122212201 is an equidigital number, since it uses as much as digits as its factorization.

121333122212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9332612202.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 121333122212201 its reverse (102212221333121), we get a palindrome (223545343545322).

The spelling of 121333122212201 in words is "one hundred twenty-one trillion, three hundred thirty-three billion, one hundred twenty-two million, two hundred twelve thousand, two hundred one".