110021001212011 has 4 divisors (see below), whose sum is σ = 112361873578272. Its totient is φ = 107680128845752.

The previous prime is 110021001211981. The next prime is 110021001212047. The reversal of 110021001212011 is 110212100120011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 110021001212011 - 2¹³ = 110021001203819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110021001211982 and 110021001212000.

It is not an unprimeable number, because it can be changed into a prime (110021001212051) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1170436183060 + ... + 1170436183153.

It is an arithmetic number, because the mean of its divisors is an integer number (28090468394568).

Almost surely, 2^{110021001212011} is an apocalyptic number.

110021001212011 is a deficient number, since it is larger than the sum of its proper divisors (2340872366261).

110021001212011 is an equidigital number, since it uses as much as digits as its factorization.

110021001212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340872366260.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110021001212011 its reverse (110212100120011), we get a palindrome (220233101332022).

The spelling of 110021001212011 in words is "one hundred ten trillion, twenty-one billion, one million, two hundred twelve thousand, eleven".