121444623301 has 4 divisors (see below), whose sum is σ = 127836445600. Its totient is φ = 115052801004.

The previous prime is 121444623259. The next prime is 121444623319. The reversal of 121444623301 is 103326444121.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121444623301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121444623361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3195911121 + ... + 3195911158.

It is an arithmetic number, because the mean of its divisors is an integer number (31959111400).

Almost surely, 2^121444623301 is an apocalyptic number.

It is an amenable number.

121444623301 is a deficient number, since it is larger than the sum of its proper divisors (6391822299).

121444623301 is an equidigital number, since it uses as much as digits as its factorization.

121444623301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391822298.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 121444623301 in words is "one hundred twenty-one billion, four hundred forty-four million, six hundred twenty-three thousand, three hundred one".