10112221012 has 12 divisors (see below), whose sum is σ = 17736336576. Its totient is φ = 5044696280.

The previous prime is 10112221003. The next prime is 10112221013. The reversal of 10112221012 is 21012221101.

It is a junction number, because it is equal to n+sod(n) for n = 10112220983 and 10112221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112221013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2851564 + ... + 2855107.

It is an arithmetic number, because the mean of its divisors is an integer number (1478028048).

Almost surely, 2^10112221012 is an apocalyptic number.

It is an amenable number.

10112221012 is a deficient number, since it is larger than the sum of its proper divisors (7624115564).

10112221012 is a wasteful number, since it uses less digits than its factorization.

10112221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5707118 (or 5707116 counting only the distinct ones).

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

Adding to 10112221012 its reverse (21012221101), we get a palindrome (31124442113).

The spelling of 10112221012 in words is "ten billion, one hundred twelve million, two hundred twenty-one thousand, twelve".