1321333111203 has 8 divisors (see below), whose sum is σ = 2013459979008. Its totient is φ = 755047492104.

The previous prime is 1321333111181. The next prime is 1321333111211. The reversal of 1321333111203 is 3021113331231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1321333111203 - 2⁸ = 1321333110947 is a prime.

It is a super-2 number, since 2×1321333111203² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1321333111223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31460312151 + ... + 31460312192.

It is an arithmetic number, because the mean of its divisors is an integer number (251682497376).

Almost surely, 2^{1321333111203} is an apocalyptic number.

1321333111203 is a deficient number, since it is larger than the sum of its proper divisors (692126867805).

1321333111203 is an equidigital number, since it uses as much as digits as its factorization.

1321333111203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62920624353.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1321333111203 its reverse (3021113331231), we get a palindrome (4342446442434).

The spelling of 1321333111203 in words is "one trillion, three hundred twenty-one billion, three hundred thirty-three million, one hundred eleven thousand, two hundred three".