10122200266 has 4 divisors (see below), whose sum is σ = 15183300402. Its totient is φ = 5061100132.

The previous prime is 10122200213. The next prime is 10122200311. The reversal of 10122200266 is 66200222101.

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

It can be written as a sum of positive squares in only one way, i.e., 10115330625 + 6869641 = 100575^2 + 2621^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530550065 + ... + 2530550068.

Almost surely, 2^10122200266 is an apocalyptic number.

10122200266 is a deficient number, since it is larger than the sum of its proper divisors (5061100136).

10122200266 is an equidigital number, since it uses as much as digits as its factorization.

10122200266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061100135.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 10122200266 its reverse (66200222101), we get a palindrome (76322422367).

The spelling of 10122200266 in words is "ten billion, one hundred twenty-two million, two hundred thousand, two hundred sixty-six".