100202201220220 has 48 divisors (see below), whose sum is σ = 236959105775616. Its totient is φ = 35261771688000.

The previous prime is 100202201220131. The next prime is 100202201220241. The reversal of 100202201220220 is 22022102202001.

It is a super-2 number, since 2×100202201220220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100202201220194 and 100202201220203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7346195616 + ... + 7346209255.

It is an arithmetic number, because the mean of its divisors is an integer number (4936648036992).

Almost surely, 2^{100202201220220} is an apocalyptic number.

100202201220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100202201220220 is an abundant number, since it is smaller than the sum of its proper divisors (136756904555396).

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

100202201220220 is a wasteful number, since it uses less digits than its factorization.

100202201220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14692404922 (or 14692404920 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 100202201220220 its reverse (22022102202001), we get a palindrome (122224303422221).

The spelling of 100202201220220 in words is "one hundred trillion, two hundred two billion, two hundred one million, two hundred twenty thousand, two hundred twenty".