1221002230003 has 16 divisors (see below), whose sum is σ = 1239433171200. Its totient is φ = 1202665381344.

The previous prime is 1221002229991. The next prime is 1221002230039. The reversal of 1221002230003 is 3000322001221.

It is a cyclic number.

It is not a de Polignac number, because 1221002230003 - 2²¹ = 1221000132851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1221002230093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37786948 + ... + 37819246.

It is an arithmetic number, because the mean of its divisors is an integer number (77464573200).

Almost surely, 2^{1221002230003} is an apocalyptic number.

1221002230003 is a deficient number, since it is larger than the sum of its proper divisors (18430941197).

1221002230003 is an equidigital number, since it uses as much as digits as its factorization.

1221002230003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33738.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1221002230003 its reverse (3000322001221), we get a palindrome (4221324231224).

The spelling of 1221002230003 in words is "one trillion, two hundred twenty-one billion, two million, two hundred thirty thousand, three".