121003231203001 has 4 divisors (see below), whose sum is σ = 138289407089152. Its totient is φ = 103717055316852.

The previous prime is 121003231202999. The next prime is 121003231203083. The reversal of 121003231203001 is 100302132300121.

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 not a de Polignac number, because 121003231203001 - 2¹ = 121003231202999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121003231203001.

It is not an unprimeable number, because it can be changed into a prime (121003231203401) 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, 8643087943065 + ... + 8643087943078.

It is an arithmetic number, because the mean of its divisors is an integer number (34572351772288).

Almost surely, 2^{121003231203001} is an apocalyptic number.

It is an amenable number.

121003231203001 is a deficient number, since it is larger than the sum of its proper divisors (17286175886151).

121003231203001 is an equidigital number, since it uses as much as digits as its factorization.

121003231203001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17286175886150.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121003231203001 its reverse (100302132300121), we get a palindrome (221305363503122).

The spelling of 121003231203001 in words is "one hundred twenty-one trillion, three billion, two hundred thirty-one million, two hundred three thousand, one".