10221102012 has 48 divisors (see below), whose sum is σ = 26204572800. Its totient is φ = 3075015360.

The previous prime is 10221102007. The next prime is 10221102013. The reversal of 10221102012 is 21020112201.

10221102012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221102013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260187 + ... + 296882.

It is an arithmetic number, because the mean of its divisors is an integer number (545928600).

Almost surely, 2^10221102012 is an apocalyptic number.

10221102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10221102012 is an abundant number, since it is smaller than the sum of its proper divisors (15983470788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10221102012 is a wasteful number, since it uses less digits than its factorization.

10221102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557226 (or 557224 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10221102012 its reverse (21020112201), we get a palindrome (31241214213).

The spelling of 10221102012 in words is "ten billion, two hundred twenty-one million, one hundred two thousand, twelve".