1214553113321 has 4 divisors (see below), whose sum is σ = 1215136194192. Its totient is φ = 1213970032452.

The previous prime is 1214553113299. The next prime is 1214553113329. The reversal of 1214553113321 is 1233113554121.

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 a de Polignac number, because none of the positive numbers 2^k-1214553113321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214553113329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291537311 + ... + 291541476.

It is an arithmetic number, because the mean of its divisors is an integer number (303784048548).

Almost surely, 2^{1214553113321} is an apocalyptic number.

It is an amenable number.

1214553113321 is a deficient number, since it is larger than the sum of its proper divisors (583080871).

1214553113321 is an equidigital number, since it uses as much as digits as its factorization.

1214553113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583080870.

The product of its digits is 10800, while the sum is 32.

Adding to 1214553113321 its reverse (1233113554121), we get a palindrome (2447666667442).

The spelling of 1214553113321 in words is "one trillion, two hundred fourteen billion, five hundred fifty-three million, one hundred thirteen thousand, three hundred twenty-one".