10011221332238 has 32 divisors (see below), whose sum is σ = 18175559376384. Its totient is φ = 4042725505632.

The previous prime is 10011221332237. The next prime is 10011221332297. The reversal of 10011221332238 is 83223312211001.

It is a self number, because there is not a number n which added to its sum of digits gives 10011221332238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011221332237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231998945 + ... + 232042092.

It is an arithmetic number, because the mean of its divisors is an integer number (567986230512).

Almost surely, 2^{10011221332238} is an apocalyptic number.

10011221332238 is a deficient number, since it is larger than the sum of its proper divisors (8164338044146).

10011221332238 is a wasteful number, since it uses less digits than its factorization.

10011221332238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464041136.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 10011221332238 its reverse (83223312211001), we get a palindrome (93234533543239).

The spelling of 10011221332238 in words is "ten trillion, eleven billion, two hundred twenty-one million, three hundred thirty-two thousand, two hundred thirty-eight".