110202222121020 has 48 divisors (see below), whose sum is σ = 342851357711520. Its totient is φ = 29387259232128.

The previous prime is 110202222121007. The next prime is 110202222121021. The reversal of 110202222121020 is 20121222202011.

It is a happy number.

110202222121020 is a `hidden beast` number, since 1 + 10 + 202 + 2 + 221 + 210 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 110202222120984 and 110202222121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110202222121021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102039094017 + ... + 102039095096.

It is an arithmetic number, because the mean of its divisors is an integer number (7142736618990).

Almost surely, 2^{110202222121020} is an apocalyptic number.

110202222121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110202222121020 is an abundant number, since it is smaller than the sum of its proper divisors (232649135590500).

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

110202222121020 is a wasteful number, since it uses less digits than its factorization.

110202222121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204078189131 (or 204078189123 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 110202222121020 its reverse (20121222202011), we get a palindrome (130323444323031).

The spelling of 110202222121020 in words is "one hundred ten trillion, two hundred two billion, two hundred twenty-two million, one hundred twenty-one thousand, twenty".