10120221245 has 4 divisors (see below), whose sum is σ = 12144265500. Its totient is φ = 8096176992.

The previous prime is 10120221229. The next prime is 10120221247. The reversal of 10120221245 is 54212202101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54212202101 = 1117 ⋅48533753.

It can be written as a sum of positive squares in 2 ways, for example, as 1976602681 + 8143618564 = 44459^2 + 90242^2 .

It is a cyclic number.

It is not a de Polignac number, because 10120221245 - 2⁴ = 10120221229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120221247) 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, 1012022120 + ... + 1012022129.

It is an arithmetic number, because the mean of its divisors is an integer number (3036066375).

Almost surely, 2^10120221245 is an apocalyptic number.

It is an amenable number.

10120221245 is a deficient number, since it is larger than the sum of its proper divisors (2024044255).

10120221245 is an equidigital number, since it uses as much as digits as its factorization.

10120221245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024044254.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 10120221245 its reverse (54212202101), we get a palindrome (64332423346).

The spelling of 10120221245 in words is "ten billion, one hundred twenty million, two hundred twenty-one thousand, two hundred forty-five".