110011230001021 has 2 divisors, whose sum is σ = 110011230001022. Its totient is φ = 110011230001020.

The previous prime is 110011230001009. The next prime is 110011230001033. The reversal of 110011230001021 is 120100032110011.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (110011230001009) and next prime (110011230001033).

It can be written as a sum of positive squares in only one way, i.e., 82511589120921 + 27499640880100 = 9083589^2 + 5244010^2 .

It is a cyclic number.

It is not a de Polignac number, because 110011230001021 - 2³⁹ = 109461474187133 is a prime.

It is a super-2 number, since 2×110011230001021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110011230000992 and 110011230001010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110011230001051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55005615000510 + 55005615000511.

It is an arithmetic number, because the mean of its divisors is an integer number (55005615000511).

Almost surely, 2^{110011230001021} is an apocalyptic number.

It is an amenable number.

110011230001021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110011230001021 is an equidigital number, since it uses as much as digits as its factorization.

110011230001021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 110011230001021 its reverse (120100032110011), we get a palindrome (230111262111032).

It can be divided in two parts, 110011 and 230001021, that added together give a palindrome (230111032).

The spelling of 110011230001021 in words is "one hundred ten trillion, eleven billion, two hundred thirty million, one thousand, twenty-one".