121101323213201 has 4 divisors (see below), whose sum is σ = 121621071381732. Its totient is φ = 120581575044672.

The previous prime is 121101323213183. The next prime is 121101323213249. The reversal of 121101323213201 is 102312323101121.

It is a happy number.

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 44475827760400 + 76625495452801 = 6669020^2 + 8753599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121101323213201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121101323273201) 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, 259874083916 + ... + 259874084381.

It is an arithmetic number, because the mean of its divisors is an integer number (30405267845433).

Almost surely, 2^{121101323213201} is an apocalyptic number.

It is an amenable number.

121101323213201 is a deficient number, since it is larger than the sum of its proper divisors (519748168531).

121101323213201 is an equidigital number, since it uses as much as digits as its factorization.

121101323213201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519748168530.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 121101323213201 its reverse (102312323101121), we get a palindrome (223413646314322).

The spelling of 121101323213201 in words is "one hundred twenty-one trillion, one hundred one billion, three hundred twenty-three million, two hundred thirteen thousand, two hundred one".