10100221112 has 8 divisors (see below), whose sum is σ = 18937914600.
Its totient is φ = 5050110552.
The previous prime is 10100221093. The next prime is 10100221121. The reversal of 10100221112 is 21112200101.
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×101002211122 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10100221093 and 10100221102.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631263812 + ... + 631263827.
It is an arithmetic number, because the mean of its divisors is an integer number (2367239325).
Almost surely, 210100221112 is an apocalyptic number.
It is an amenable number.
10100221112 is a deficient number, since it is larger than the sum of its proper divisors (8837693488).
10100221112 is a wasteful number, since it uses less digits than its factorization.
10100221112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1262527645 (or 1262527641 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 10100221112 its reverse (21112200101), we get a palindrome (31212421213).
The spelling of 10100221112 in words is "ten billion, one hundred million, two hundred twenty-one thousand, one hundred twelve".