2110110020020 has 12 divisors (see below), whose sum is σ = 4431231042084. Its totient is φ = 844044008000.

The previous prime is 2110110019939. The next prime is 2110110020023. The reversal of 2110110020020 is 200200110112.

It can be written as a sum of positive squares in 2 ways, for example, as 537784622244 + 1572325397776 = 733338^2 + 1253924^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2110110019979 and 2110110020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110110020023) 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, 52752750481 + ... + 52752750520.

It is an arithmetic number, because the mean of its divisors is an integer number (369269253507).

Almost surely, 2^{2110110020020} is an apocalyptic number.

2110110020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110110020020 is an abundant number, since it is smaller than the sum of its proper divisors (2321121022064).

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

2110110020020 is a wasteful number, since it uses less digits than its factorization.

2110110020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105505501010 (or 105505501008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2110110020020 its reverse (200200110112), we get a palindrome (2310310130132).

The spelling of 2110110020020 in words is "two trillion, one hundred ten billion, one hundred ten million, twenty thousand, twenty".