121311001231201 has 8 divisors (see below), whose sum is σ = 121391851838400. Its totient is φ = 121230152734320.

The previous prime is 121311001231141. The next prime is 121311001231207. The reversal of 121311001231201 is 102132100113121.

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 121311001231201 - 2¹¹ = 121311001229153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121311001231207) 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, 124304220 + ... + 125276338.

It is an arithmetic number, because the mean of its divisors is an integer number (15173981479800).

Almost surely, 2^{121311001231201} is an apocalyptic number.

It is an amenable number.

121311001231201 is a deficient number, since it is larger than the sum of its proper divisors (80850607199).

121311001231201 is an equidigital number, since it uses as much as digits as its factorization.

121311001231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055159.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 121311001231201 its reverse (102132100113121), we get a palindrome (223443101344322).

The spelling of 121311001231201 in words is "one hundred twenty-one trillion, three hundred eleven billion, one million, two hundred thirty-one thousand, two hundred one".