220201212201100 has 144 divisors (see below), whose sum is σ = 515085308256736. Its totient is φ = 81227349504000.

The previous prime is 220201212201031. The next prime is 220201212201121. The reversal of 220201212201100 is 1102212102022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14562601540 + ... + 14562616660.

Almost surely, 2^{220201212201100} is an apocalyptic number.

220201212201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220201212201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257542654128368).

220201212201100 is an abundant number, since it is smaller than the sum of its proper divisors (294884096055636).

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

220201212201100 is a wasteful number, since it uses less digits than its factorization.

220201212201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25116 (or 25109 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220201212201100 its reverse (1102212102022), we get a palindrome (221303424303122).

The spelling of 220201212201100 in words is "two hundred twenty trillion, two hundred one billion, two hundred twelve million, two hundred one thousand, one hundred".