10001222210123 has 2 divisors, whose sum is σ = 10001222210124. Its totient is φ = 10001222210122.

The previous prime is 10001222210117. The next prime is 10001222210153. The reversal of 10001222210123 is 32101222210001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001222210123 is a prime.

It is not a weakly prime, because it can be changed into another prime (10001222210113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000611105061 + 5000611105062.

It is an arithmetic number, because the mean of its divisors is an integer number (5000611105062).

Almost surely, 2^{10001222210123} is an apocalyptic number.

10001222210123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001222210123 is an equidigital number, since it uses as much as digits as its factorization.

10001222210123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10001222210123 its reverse (32101222210001), we get a palindrome (42102444420124).

The spelling of 10001222210123 in words is "ten trillion, one billion, two hundred twenty-two million, two hundred ten thousand, one hundred twenty-three".