1220101330023 has 20 divisors (see below), whose sum is σ = 1825191283080. Its totient is φ = 812253597552.

The previous prime is 1220101330013. The next prime is 1220101330031. The reversal of 1220101330023 is 3200331010221.

It is not a de Polignac number, because 1220101330023 - 2⁶ = 1220101329959 is a prime.

It is a super-2 number, since 2×1220101330023² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220101329978 and 1220101330005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220101330003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10565265 + ... + 10680122.

It is an arithmetic number, because the mean of its divisors is an integer number (91259564154).

Almost surely, 2^{1220101330023} is an apocalyptic number.

1220101330023 is a deficient number, since it is larger than the sum of its proper divisors (605089953057).

1220101330023 is an equidigital number, since it uses as much as digits as its factorization.

1220101330023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21246108 (or 21246099 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1220101330023 its reverse (3200331010221), we get a palindrome (4420432340244).

The spelling of 1220101330023 in words is "one trillion, two hundred twenty billion, one hundred one million, three hundred thirty thousand, twenty-three".