121103232123001 has 2 divisors, whose sum is σ = 121103232123002. Its totient is φ = 121103232123000.

The previous prime is 121103232122987. The next prime is 121103232123023. The reversal of 121103232123001 is 100321232301121.

It is an a-pointer prime, because the next prime (121103232123023) can be obtained adding 121103232123001 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94113378452025 + 26989853670976 = 9701205^2 + 5195176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121103232123001 is a prime.

It is a super-2 number, since 2×121103232123001² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121103232123061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551616061500 + 60551616061501.

It is an arithmetic number, because the mean of its divisors is an integer number (60551616061501).

Almost surely, 2^{121103232123001} is an apocalyptic number.

It is an amenable number.

121103232123001 is a deficient number, since it is larger than the sum of its proper divisors (1).

121103232123001 is an equidigital number, since it uses as much as digits as its factorization.

121103232123001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121103232123001 its reverse (100321232301121), we get a palindrome (221424464424122).

The spelling of 121103232123001 in words is "one hundred twenty-one trillion, one hundred three billion, two hundred thirty-two million, one hundred twenty-three thousand, one".