110101002001220 has 24 divisors (see below), whose sum is σ = 231258635323800. Its totient is φ = 44031537729792.

The previous prime is 110101002001201. The next prime is 110101002001223. The reversal of 110101002001220 is 22100200101011.

It can be written as a sum of positive squares in 4 ways, for example, as 9748732311616 + 100352269689604 = 3122296^2 + 10017598^2 .

It is not an unprimeable number, because it can be changed into a prime (110101002001223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553840055 + ... + 554038814.

It is an arithmetic number, because the mean of its divisors is an integer number (9635776471825).

Almost surely, 2^{110101002001220} is an apocalyptic number.

110101002001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110101002001220 is an abundant number, since it is smaller than the sum of its proper divisors (121157633322580).

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

110101002001220 is a wasteful number, since it uses less digits than its factorization.

110101002001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107883847 (or 1107883845 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110101002001220 its reverse (22100200101011), we get a palindrome (132201202102231).

The spelling of 110101002001220 in words is "one hundred ten trillion, one hundred one billion, two million, one thousand, two hundred twenty".