10221001001112 has 128 divisors (see below), whose sum is σ = 28264945800960. Its totient is φ = 3054019461120.

The previous prime is 10221001001087. The next prime is 10221001001203. The reversal of 10221001001112 is 21110010012201.

It is a super-2 number, since 2×10221001001112² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 73221688 + ... + 73361144.

It is an arithmetic number, because the mean of its divisors is an integer number (220819889070).

Almost surely, 2^{10221001001112} is an apocalyptic number.

10221001001112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10221001001112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14132472900480).

10221001001112 is an abundant number, since it is smaller than the sum of its proper divisors (18043944799848).

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

10221001001112 is a wasteful number, since it uses less digits than its factorization.

10221001001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143353 (or 143349 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10221001001112 its reverse (21110010012201), we get a palindrome (31331011013313).

The spelling of 10221001001112 in words is "ten trillion, two hundred twenty-one billion, one million, one thousand, one hundred twelve".