10221125045 has 4 divisors (see below), whose sum is σ = 12265350060. Its totient is φ = 8176900032.

The previous prime is 10221125029. The next prime is 10221125063. The reversal of 10221125045 is 54052112201.

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 3519574276 + 6701550769 = 59326^2 + 81863^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221125045 - 2⁴ = 10221125029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10221125045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022112500 + ... + 1022112509.

It is an arithmetic number, because the mean of its divisors is an integer number (3066337515).

Almost surely, 2^10221125045 is an apocalyptic number.

It is an amenable number.

10221125045 is a deficient number, since it is larger than the sum of its proper divisors (2044225015).

10221125045 is an equidigital number, since it uses as much as digits as its factorization.

10221125045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044225014.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 10221125045 its reverse (54052112201), we get a palindrome (64273237246).

The spelling of 10221125045 in words is "ten billion, two hundred twenty-one million, one hundred twenty-five thousand, forty-five".