10001222222210 has 8 divisors (see below), whose sum is σ = 18002199999996. Its totient is φ = 4000488888880.

The previous prime is 10001222222209. The next prime is 10001222222249. The reversal of 10001222222210 is 1222222210001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9565306685089 + 435915537121 = 3092783^2 + 660239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 500061111101 + ... + 500061111120.

Almost surely, 2^{10001222222210} is an apocalyptic number.

10001222222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001222222210 is a deficient number, since it is larger than the sum of its proper divisors (8000977777786).

10001222222210 is a wasteful number, since it uses less digits than its factorization.

10001222222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000122222228.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10001222222210 its reverse (1222222210001), we get a palindrome (11223444432211).

The spelling of 10001222222210 in words is "ten trillion, one billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred ten".