100202220110220 has 24 divisors (see below), whose sum is σ = 280566216308784. Its totient is φ = 26720592029376.

The previous prime is 100202220110131. The next prime is 100202220110221. The reversal of 100202220110220 is 22011022202001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100202220110220.

It is not an unprimeable number, because it can be changed into a prime (100202220110221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835018500859 + ... + 835018500978.

It is an arithmetic number, because the mean of its divisors is an integer number (11690259012866).

Almost surely, 2^{100202220110220} is an apocalyptic number.

100202220110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100202220110220 is an abundant number, since it is smaller than the sum of its proper divisors (180363996198564).

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

100202220110220 is a wasteful number, since it uses less digits than its factorization.

100202220110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670037001849 (or 1670037001847 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100202220110220 its reverse (22011022202001), we get a palindrome (122213242312221).

The spelling of 100202220110220 in words is "one hundred trillion, two hundred two billion, two hundred twenty million, one hundred ten thousand, two hundred twenty".