110221022100020 has 48 divisors (see below), whose sum is σ = 250195731765840. Its totient is φ = 40545702813696.

The previous prime is 110221022100017. The next prime is 110221022100031. The reversal of 110221022100020 is 20001220122011.

It can be written as a sum of positive squares in 8 ways, for example, as 59331802965796 + 50889219134224 = 7702714^2 + 7133668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 110221022099968 and 110221022100004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787898477 + ... + 788038356.

It is an arithmetic number, because the mean of its divisors is an integer number (5212411078455).

Almost surely, 2^{110221022100020} is an apocalyptic number.

110221022100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110221022100020 is an abundant number, since it is smaller than the sum of its proper divisors (139974709665820).

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

110221022100020 is a wasteful number, since it uses less digits than its factorization.

110221022100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575937124 (or 1575937122 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 110221022100020 its reverse (20001220122011), we get a palindrome (130222242222031).

The spelling of 110221022100020 in words is "one hundred ten trillion, two hundred twenty-one billion, twenty-two million, one hundred thousand, twenty".