110100201110021 has 4 divisors (see below), whose sum is σ = 112785571868844. Its totient is φ = 107414830351200.

The previous prime is 110100201109999. The next prime is 110100201110083. The reversal of 110100201110021 is 120011102001011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67010350420225 + 43089850689796 = 8185985^2 + 6564286^2 .

It is a cyclic number.

It is not a de Polignac number, because 110100201110021 - 2¹⁴ = 110100201093637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110100201109984 and 110100201110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110100201110621) 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, 1342685379350 + ... + 1342685379431.

It is an arithmetic number, because the mean of its divisors is an integer number (28196392967211).

Almost surely, 2^{110100201110021} is an apocalyptic number.

It is an amenable number.

110100201110021 is a deficient number, since it is larger than the sum of its proper divisors (2685370758823).

110100201110021 is an equidigital number, since it uses as much as digits as its factorization.

110100201110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685370758822.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 110100201110021 its reverse (120011102001011), we get a palindrome (230111303111032).

The spelling of 110100201110021 in words is "one hundred ten trillion, one hundred billion, two hundred one million, one hundred ten thousand, twenty-one".