110001221012 has 24 divisors (see below), whose sum is σ = 205487835840. Its totient is φ = 51371953920.

The previous prime is 110001220999. The next prime is 110001221021. The reversal of 110001221012 is 210122100011.

It is a super-4 number, since 4×110001221012⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110001220984 and 110001221002.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10187453 + ... + 10198244.

It is an arithmetic number, because the mean of its divisors is an integer number (8561993160).

Almost surely, 2^110001221012 is an apocalyptic number.

It is an amenable number.

110001221012 is a deficient number, since it is larger than the sum of its proper divisors (95486614828).

110001221012 is a wasteful number, since it uses less digits than its factorization.

110001221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20385791 (or 20385789 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110001221012 its reverse (210122100011), we get a palindrome (320123321023).

The spelling of 110001221012 in words is "one hundred ten billion, one million, two hundred twenty-one thousand, twelve".