120103203232121 has 4 divisors (see below), whose sum is σ = 121623496944000. Its totient is φ = 118582909520244.

The previous prime is 120103203232099. The next prime is 120103203232171. The reversal of 120103203232121 is 121232302301021.

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 120103203232121 - 2⁶ = 120103203232057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120103203232171) 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, 760146855821 + ... + 760146855978.

It is an arithmetic number, because the mean of its divisors is an integer number (30405874236000).

Almost surely, 2^{120103203232121} is an apocalyptic number.

It is an amenable number.

120103203232121 is a deficient number, since it is larger than the sum of its proper divisors (1520293711879).

120103203232121 is an equidigital number, since it uses as much as digits as its factorization.

120103203232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520293711878.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 120103203232121 its reverse (121232302301021), we get a palindrome (241335505533142).

The spelling of 120103203232121 in words is "one hundred twenty trillion, one hundred three billion, two hundred three million, two hundred thirty-two thousand, one hundred twenty-one".