10221112231 has 16 divisors (see below), whose sum is σ = 11500351488. Its totient is φ = 9004132000.

The previous prime is 10221112229. The next prime is 10221112241. The reversal of 10221112231 is 13221112201.

It is a cyclic number.

It is not a de Polignac number, because 10221112231 - 2¹ = 10221112229 is a prime.

It is a super-2 number, since 2×10221112231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221112201) 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, 45655 + ... + 150088.

It is an arithmetic number, because the mean of its divisors is an integer number (718771968).

Almost surely, 2^10221112231 is an apocalyptic number.

10221112231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10221112231 is a deficient number, since it is larger than the sum of its proper divisors (1279239257).

10221112231 is a wasteful number, since it uses less digits than its factorization.

10221112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195902.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10221112231 its reverse (13221112201), we get a palindrome (23442224432).

The spelling of 10221112231 in words is "ten billion, two hundred twenty-one million, one hundred twelve thousand, two hundred thirty-one".