10002221122 has 4 divisors (see below), whose sum is σ = 15003331686. Its totient is φ = 5001110560.

The previous prime is 10002221107. The next prime is 10002221143. The reversal of 10002221122 is 22112220001.

It is a happy number.

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., 9572861281 + 429359841 = 97841^2 + 20721^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500555279 + ... + 2500555282.

Almost surely, 2^10002221122 is an apocalyptic number.

10002221122 is a deficient number, since it is larger than the sum of its proper divisors (5001110564).

10002221122 is an equidigital number, since it uses as much as digits as its factorization.

10002221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001110563.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10002221122 its reverse (22112220001), we get a palindrome (32114441123).

The spelling of 10002221122 in words is "ten billion, two million, two hundred twenty-one thousand, one hundred twenty-two".