10111220333321 has 16 divisors (see below), whose sum is σ = 10533773416320. Its totient is φ = 9697057361280.

The previous prime is 10111220333293. The next prime is 10111220333327. The reversal of 10111220333321 is 12333302211101.

It is a cyclic number.

It is not a de Polignac number, because 10111220333321 - 2⁴² = 5713173822217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10111220333327) 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, 87856211 + ... + 87971223.

It is an arithmetic number, because the mean of its divisors is an integer number (658360838520).

Almost surely, 2^{10111220333321} is an apocalyptic number.

It is an amenable number.

10111220333321 is a deficient number, since it is larger than the sum of its proper divisors (422553082999).

10111220333321 is a wasteful number, since it uses less digits than its factorization.

10111220333321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151456.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 10111220333321 its reverse (12333302211101), we get a palindrome (22444522544422).

The spelling of 10111220333321 in words is "ten trillion, one hundred eleven billion, two hundred twenty million, three hundred thirty-three thousand, three hundred twenty-one".