1330121100223 has 4 divisors (see below), whose sum is σ = 1330125525328. Its totient is φ = 1330116675120.

The previous prime is 1330121100199. The next prime is 1330121100233. The reversal of 1330121100223 is 3220011210331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1330121100223 - 2²¹ = 1330119003071 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 1330121100223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330121100233) 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, 1726011 + ... + 2374732.

It is an arithmetic number, because the mean of its divisors is an integer number (332531381332).

Almost surely, 2^{1330121100223} is an apocalyptic number.

1330121100223 is a deficient number, since it is larger than the sum of its proper divisors (4425105).

1330121100223 is an equidigital number, since it uses as much as digits as its factorization.

1330121100223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425104.

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

Adding to 1330121100223 its reverse (3220011210331), we get a palindrome (4550132310554).

It can be divided in two parts, 133012 and 1100223, that added together give a triangular number (1233235 = T₁₅₇₀).

The spelling of 1330121100223 in words is "one trillion, three hundred thirty billion, one hundred twenty-one million, one hundred thousand, two hundred twenty-three".