1121010221003 has 4 divisors (see below), whose sum is σ = 1134516368328. Its totient is φ = 1107504073680.

The previous prime is 1121010220973. The next prime is 1121010221011. The reversal of 1121010221003 is 3001220101211.

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 1121010221003 - 2²⁶ = 1120943112139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121010241003) 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, 6753073538 + ... + 6753073703.

It is an arithmetic number, because the mean of its divisors is an integer number (283629092082).

Almost surely, 2^{1121010221003} is an apocalyptic number.

1121010221003 is a deficient number, since it is larger than the sum of its proper divisors (13506147325).

1121010221003 is an equidigital number, since it uses as much as digits as its factorization.

1121010221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13506147324.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1121010221003 its reverse (3001220101211), we get a palindrome (4122230322214).

The spelling of 1121010221003 in words is "one trillion, one hundred twenty-one billion, ten million, two hundred twenty-one thousand, three".