1321230034211 has 4 divisors (see below), whose sum is σ = 1324096043424. Its totient is φ = 1318364025000.

The previous prime is 1321230034171. The next prime is 1321230034247. The reversal of 1321230034211 is 1124300321231.

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 1321230034211 - 2⁶ = 1321230034147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321230034291) 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, 1433003915 + ... + 1433004836.

It is an arithmetic number, because the mean of its divisors is an integer number (331024010856).

Almost surely, 2^{1321230034211} is an apocalyptic number.

1321230034211 is a deficient number, since it is larger than the sum of its proper divisors (2866009213).

1321230034211 is an equidigital number, since it uses as much as digits as its factorization.

1321230034211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866009212.

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

Adding to 1321230034211 its reverse (1124300321231), we get a palindrome (2445530355442).

The spelling of 1321230034211 in words is "one trillion, three hundred twenty-one billion, two hundred thirty million, thirty-four thousand, two hundred eleven".