10221330111 has 32 divisors (see below), whose sum is σ = 14817600000. Its totient is φ = 6247747968.

The previous prime is 10221330107. The next prime is 10221330167. The reversal of 10221330111 is 11103312201.

It is a happy number.

It is not a de Polignac number, because 10221330111 - 2² = 10221330107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221330101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259765 + ... + 296513.

It is an arithmetic number, because the mean of its divisors is an integer number (463050000).

Almost surely, 2^10221330111 is an apocalyptic number.

10221330111 is a deficient number, since it is larger than the sum of its proper divisors (4596269889).

10221330111 is a wasteful number, since it uses less digits than its factorization.

10221330111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36943.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10221330111 its reverse (11103312201), we get a palindrome (21324642312).

The spelling of 10221330111 in words is "ten billion, two hundred twenty-one million, three hundred thirty thousand, one hundred eleven".