10221112012 has 6 divisors (see below), whose sum is σ = 17886946028. Its totient is φ = 5110556004.

The previous prime is 10221112003. The next prime is 10221112039. The reversal of 10221112012 is 21021112201.

It is a super-3 number, since 3×10221112012³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 10221111983 and 10221112001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277638998 + ... + 1277639005.

Almost surely, 2^10221112012 is an apocalyptic number.

It is an amenable number.

10221112012 is a deficient number, since it is larger than the sum of its proper divisors (7665834016).

10221112012 is a wasteful number, since it uses less digits than its factorization.

10221112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555278007 (or 2555278005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10221112012 its reverse (21021112201), we get a palindrome (31242224213).

The spelling of 10221112012 in words is "ten billion, two hundred twenty-one million, one hundred twelve thousand, twelve".