201100020100220 has 12 divisors (see below), whose sum is σ = 422310042210504. Its totient is φ = 80440008040080.

The previous prime is 201100020100181. The next prime is 201100020100247. The reversal of 201100020100220 is 22001020001102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027500502486 + ... + 5027500502525.

It is an arithmetic number, because the mean of its divisors is an integer number (35192503517542).

Almost surely, 2^{201100020100220} is an apocalyptic number.

201100020100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201100020100220 is an abundant number, since it is smaller than the sum of its proper divisors (221210022110284).

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

201100020100220 is a wasteful number, since it uses less digits than its factorization.

201100020100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10055001005020 (or 10055001005018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201100020100220 its reverse (22001020001102), we get a palindrome (223101040101322).

The spelling of 201100020100220 in words is "two hundred one trillion, one hundred billion, twenty million, one hundred thousand, two hundred twenty".