1221002230103 has 8 divisors (see below), whose sum is σ = 1266988302336. Its totient is φ = 1175428589400.

The previous prime is 1221002230099. The next prime is 1221002230171. The reversal of 1221002230103 is 3010322001221.

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

It is a cyclic number.

It is not a de Polignac number, because 1221002230103 - 2² = 1221002230099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221002230603) 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, 103101851 + ... + 103113692.

It is an arithmetic number, because the mean of its divisors is an integer number (158373537792).

Almost surely, 2^{1221002230103} is an apocalyptic number.

1221002230103 is a deficient number, since it is larger than the sum of its proper divisors (45986072233).

1221002230103 is a wasteful number, since it uses less digits than its factorization.

1221002230103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206215765.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1221002230103 its reverse (3010322001221), we get a palindrome (4231324231324).

The spelling of 1221002230103 in words is "one trillion, two hundred twenty-one billion, two million, two hundred thirty thousand, one hundred three".