10110122020021 has 4 divisors (see below), whose sum is σ = 10112171512492. Its totient is φ = 10108072527552.

The previous prime is 10110122020013. The next prime is 10110122020027. The reversal of 10110122020021 is 12002022101101.

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 6055959904996 + 4054162115025 = 2460886^2 + 2013495^2 .

It is a cyclic number.

It is not a de Polignac number, because 10110122020021 - 2³ = 10110122020013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10110122019983 and 10110122020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110122020027) 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 3 ways as a sum of consecutive naturals, for example, 1024738836 + ... + 1024748701.

It is an arithmetic number, because the mean of its divisors is an integer number (2528042878123).

Almost surely, 2^{10110122020021} is an apocalyptic number.

It is an amenable number.

10110122020021 is a deficient number, since it is larger than the sum of its proper divisors (2049492471).

10110122020021 is an equidigital number, since it uses as much as digits as its factorization.

10110122020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049492470.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10110122020021 its reverse (12002022101101), we get a palindrome (22112144121122).

The spelling of 10110122020021 in words is "ten trillion, one hundred ten billion, one hundred twenty-two million, twenty thousand, twenty-one".