110001122220021 has 32 divisors (see below), whose sum is σ = 153449936455680. Its totient is φ = 69960110134464.

The previous prime is 110001122219971. The next prime is 110001122220047. The reversal of 110001122220021 is 120022221100011.

It is not a de Polignac number, because 110001122220021 - 2⁶ = 110001122219957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110001102220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219962566 + ... + 220462088.

It is an arithmetic number, because the mean of its divisors is an integer number (4795310514240).

Almost surely, 2^{110001122220021} is an apocalyptic number.

It is an amenable number.

110001122220021 is a deficient number, since it is larger than the sum of its proper divisors (43448814235659).

110001122220021 is a wasteful number, since it uses less digits than its factorization.

110001122220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507985.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 110001122220021 its reverse (120022221100011), we get a palindrome (230023343320032).

The spelling of 110001122220021 in words is "one hundred ten trillion, one billion, one hundred twenty-two million, two hundred twenty thousand, twenty-one".