121304525201 has 4 divisors (see below), whose sum is σ = 122840025600. Its totient is φ = 119769024804.

The previous prime is 121304525179. The next prime is 121304525249. The reversal of 121304525201 is 102525403121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102525403121 = 73 ⋅1404457577.

It is a cyclic number.

It is not a de Polignac number, because 121304525201 - 2¹⁸ = 121304263057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121304525291) 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, 767750081 + ... + 767750238.

It is an arithmetic number, because the mean of its divisors is an integer number (30710006400).

Almost surely, 2^121304525201 is an apocalyptic number.

It is an amenable number.

121304525201 is a deficient number, since it is larger than the sum of its proper divisors (1535500399).

121304525201 is an equidigital number, since it uses as much as digits as its factorization.

121304525201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535500398.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 121304525201 its reverse (102525403121), we get a palindrome (223829928322).

The spelling of 121304525201 in words is "one hundred twenty-one billion, three hundred four million, five hundred twenty-five thousand, two hundred one".