110201221221020 has 24 divisors (see below), whose sum is σ = 231999678208368. Its totient is φ = 43970562080000.

The previous prime is 110201221220999. The next prime is 110201221221037. The reversal of 110201221221020 is 20122122102011.

It is a self number, because there is not a number n which added to its sum of digits gives 110201221221020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6870392306 + ... + 6870408345.

It is an arithmetic number, because the mean of its divisors is an integer number (9666653258682).

Almost surely, 2^{110201221221020} is an apocalyptic number.

110201221221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110201221221020 is an abundant number, since it is smaller than the sum of its proper divisors (121798456987348).

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

110201221221020 is a wasteful number, since it uses less digits than its factorization.

110201221221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13740801061 (or 13740801059 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 110201221221020 its reverse (20122122102011), we get a palindrome (130323343323031).

The spelling of 110201221221020 in words is "one hundred ten trillion, two hundred one billion, two hundred twenty-one million, two hundred twenty-one thousand, twenty".