201220332101100 has 108 divisors (see below), whose sum is σ = 679230409954096. Its totient is φ = 49531158668160.

The previous prime is 201220332100999. The next prime is 201220332101101. The reversal of 201220332101100 is 1101233022102.

201220332101100 is a `hidden beast` number, since 2 + 0 + 1 + 220 + 332 + 1 + 0 + 110 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (201220332101101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8599147792 + ... + 8599171191.

Almost surely, 2^{201220332101100} is an apocalyptic number.

201220332101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201220332101100 is an abundant number, since it is smaller than the sum of its proper divisors (478010077852996).

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

201220332101100 is a wasteful number, since it uses less digits than its factorization.

201220332101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17198319016 (or 17198319006 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 201220332101100 its reverse (1101233022102), we get a palindrome (202321565123202).

The spelling of 201220332101100 in words is "two hundred one trillion, two hundred twenty billion, three hundred thirty-two million, one hundred one thousand, one hundred".