1331110230121 has 4 divisors (see below), whose sum is σ = 1521268834432. Its totient is φ = 1140951625812.

The previous prime is 1331110230091. The next prime is 1331110230157. The reversal of 1331110230121 is 1210320111331.

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 1331110230121 - 2¹³ = 1331110221929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331110230161) 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, 95079302145 + ... + 95079302158.

It is an arithmetic number, because the mean of its divisors is an integer number (380317208608).

Almost surely, 2^{1331110230121} is an apocalyptic number.

It is an amenable number.

1331110230121 is a deficient number, since it is larger than the sum of its proper divisors (190158604311).

1331110230121 is an equidigital number, since it uses as much as digits as its factorization.

1331110230121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190158604310.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1331110230121 its reverse (1210320111331), we get a palindrome (2541430341452).

The spelling of 1331110230121 in words is "one trillion, three hundred thirty-one billion, one hundred ten million, two hundred thirty thousand, one hundred twenty-one".