10221331112 has 16 divisors (see below), whose sum is σ = 19526600340. Its totient is φ = 5014237696.

The previous prime is 10221331091. The next prime is 10221331121. The reversal of 10221331112 is 21113312201.

It can be written as a sum of positive squares in 2 ways, for example, as 8577352996 + 1643978116 = 92614^2 + 40546^2 .

It is a super-2 number, since 2×10221331112² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12053033 + ... + 12053880.

Almost surely, 2^10221331112 is an apocalyptic number.

It is an amenable number.

10221331112 is a deficient number, since it is larger than the sum of its proper divisors (9305269228).

10221331112 is a wasteful number, since it uses less digits than its factorization.

10221331112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24106972 (or 24106968 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10221331112 its reverse (21113312201), we get a palindrome (31334643313).

The spelling of 10221331112 in words is "ten billion, two hundred twenty-one million, three hundred thirty-one thousand, one hundred twelve".