10130223120221 has 4 divisors (see below), whose sum is σ = 10131531773244. Its totient is φ = 10128914467200.

The previous prime is 10130223120191. The next prime is 10130223120223. The reversal of 10130223120221 is 12202132203101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3267106860196 + 6863116260025 = 1807514^2 + 2619755^2 .

It is a cyclic number.

It is not a de Polignac number, because 10130223120221 - 2²⁶ = 10130156011357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10130223120193 and 10130223120202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10130223120223) 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, 654314900 + ... + 654330381.

It is an arithmetic number, because the mean of its divisors is an integer number (2532882943311).

Almost surely, 2^{10130223120221} is an apocalyptic number.

It is an amenable number.

10130223120221 is a deficient number, since it is larger than the sum of its proper divisors (1308653023).

10130223120221 is an equidigital number, since it uses as much as digits as its factorization.

10130223120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308653022.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10130223120221 its reverse (12202132203101), we get a palindrome (22332355323322).

The spelling of 10130223120221 in words is "ten trillion, one hundred thirty billion, two hundred twenty-three million, one hundred twenty thousand, two hundred twenty-one".