10110101200020 has 72 divisors (see below), whose sum is σ = 30822978690504. Its totient is φ = 2682341561088.

The previous prime is 10110101200013. The next prime is 10110101200061. The reversal of 10110101200020 is 2000210101101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2643993073296 + 7466108126724 = 1626036^2 + 2732418^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10110101199975 and 10110101200011.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 142520959 + ... + 142591878.

It is an arithmetic number, because the mean of its divisors is an integer number (428096926257).

Almost surely, 2^{10110101200020} is an apocalyptic number.

10110101200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10110101200020 is an abundant number, since it is smaller than the sum of its proper divisors (20712877490484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10110101200020 is a wasteful number, since it uses less digits than its factorization.

10110101200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285113049 (or 285113044 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10110101200020 its reverse (2000210101101), we get a palindrome (12110311301121).

The spelling of 10110101200020 in words is "ten trillion, one hundred ten billion, one hundred one million, two hundred thousand, twenty".