110221020100 has 36 divisors (see below), whose sum is σ = 239299816644. Its totient is φ = 44066250880.

The previous prime is 110221020047. The next prime is 110221020199. The reversal of 110221020100 is 1020122011.

It can be written as a sum of positive squares in 6 ways, for example, as 1389649284 + 108831370816 = 37278^2 + 329896^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76267 + ... + 475666.

It is an arithmetic number, because the mean of its divisors is an integer number (6647217129).

Almost surely, 2^110221020100 is an apocalyptic number.

110221020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110221020100 is an abundant number, since it is smaller than the sum of its proper divisors (129078796544).

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

110221020100 is a wasteful number, since it uses less digits than its factorization.

110221020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553944 (or 553937 counting only the distinct ones).

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

Adding to 110221020100 its reverse (1020122011), we get a palindrome (111241142111).

The spelling of 110221020100 in words is "one hundred ten billion, two hundred twenty-one million, twenty thousand, one hundred".