110202202121202 has 112 divisors (see below), whose sum is σ = 254182863006072. Its totient is φ = 35796279767040.

The previous prime is 110202202121171. The next prime is 110202202121237. The reversal of 110202202121202 is 202121202202011.

It is a happy number.

110202202121202 is a `hidden beast` number, since 1 + 10 + 20 + 220 + 212 + 1 + 202 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 87496586389521 + 22705615731681 = 9353961^2 + 4765041^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 50154178 + ... + 52305314.

Almost surely, 2^{110202202121202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110202202121202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127091431503036).

110202202121202 is an abundant number, since it is smaller than the sum of its proper divisors (143980660884870).

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

110202202121202 is an equidigital number, since it uses as much as digits as its factorization.

110202202121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152055 (or 2152040 counting only the distinct ones).

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

Adding to 110202202121202 its reverse (202121202202011), we get a palindrome (312323404323213).

The spelling of 110202202121202 in words is "one hundred ten trillion, two hundred two billion, two hundred two million, one hundred twenty-one thousand, two hundred two".