121203030001 has 4 divisors (see below), whose sum is σ = 121254674032. Its totient is φ = 121151385972.

The previous prime is 121203029989. The next prime is 121203030007. The reversal of 121203030001 is 100030302121.

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: 100030302121 = 307 ⋅325831603.

It is a cyclic number.

It is not a de Polignac number, because 121203030001 - 2¹⁵ = 121202997233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121203030007) 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, 25818495 + ... + 25823188.

It is an arithmetic number, because the mean of its divisors is an integer number (30313668508).

Almost surely, 2^121203030001 is an apocalyptic number.

It is an amenable number.

121203030001 is a deficient number, since it is larger than the sum of its proper divisors (51644031).

121203030001 is an equidigital number, since it uses as much as digits as its factorization.

121203030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51644030.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 121203030001 its reverse (100030302121), we get a palindrome (221233332122).

The spelling of 121203030001 in words is "one hundred twenty-one billion, two hundred three million, thirty thousand, one".