110101020020 has 12 divisors (see below), whose sum is σ = 231212142084. Its totient is φ = 44040408000.

The previous prime is 110101019983. The next prime is 110101020031. The reversal of 110101020020 is 20020101011.

It can be written as a sum of positive squares in 2 ways, for example, as 62631068644 + 47469951376 = 250262^2 + 217876^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752525481 + ... + 2752525520.

It is an arithmetic number, because the mean of its divisors is an integer number (19267678507).

Almost surely, 2^110101020020 is an apocalyptic number.

110101020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110101020020 is an abundant number, since it is smaller than the sum of its proper divisors (121111122064).

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

110101020020 is a wasteful number, since it uses less digits than its factorization.

110101020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505051010 (or 5505051008 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 110101020020 its reverse (20020101011), we get a palindrome (130121121031).

The spelling of 110101020020 in words is "one hundred ten billion, one hundred one million, twenty thousand, twenty".