1210221030023 has 4 divisors (see below), whose sum is σ = 1219750329600. Its totient is φ = 1200691730448.

The previous prime is 1210221030017. The next prime is 1210221030047. The reversal of 1210221030023 is 3200301220121.

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 1210221030023 - 2³² = 1205926062727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210221029983 and 1210221030010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210221030013) 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, 4764649598 + ... + 4764649851.

It is an arithmetic number, because the mean of its divisors is an integer number (304937582400).

Almost surely, 2^{1210221030023} is an apocalyptic number.

1210221030023 is a deficient number, since it is larger than the sum of its proper divisors (9529299577).

1210221030023 is an equidigital number, since it uses as much as digits as its factorization.

1210221030023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9529299576.

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

Adding to 1210221030023 its reverse (3200301220121), we get a palindrome (4410522250144).

The spelling of 1210221030023 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, thirty thousand, twenty-three".