20010010012110 has 64 divisors (see below), whose sum is σ = 56168449171200. Its totient is φ = 5055160422816.

The previous prime is 20010010012093. The next prime is 20010010012121. The reversal of 20010010012110 is 1121001001002.

It is a happy number.

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 = 20010010012092 and 20010010012101.

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 31 ways as a sum of consecutive naturals, for example, 1950288244 + ... + 1950298503.

It is an arithmetic number, because the mean of its divisors is an integer number (877632018300).

Almost surely, 2^{20010010012110} is an apocalyptic number.

20010010012110 is an abundant number, since it is smaller than the sum of its proper divisors (36158439159090).

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

20010010012110 is a wasteful number, since it uses less digits than its factorization.

20010010012110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900586782 (or 3900586776 counting only the distinct ones).

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

Adding to 20010010012110 its reverse (1121001001002), we get a palindrome (21131011013112).

The spelling of 20010010012110 in words is "twenty trillion, ten billion, ten million, twelve thousand, one hundred ten".