201120102100220 has 48 divisors (see below), whose sum is σ = 428659309263360. Its totient is φ = 79246708098624.

The previous prime is 201120102100163. The next prime is 201120102100231. The reversal of 201120102100220 is 22001201021102.

It is a junction number, because it is equal to n+sod(n) for n = 201120102100195 and 201120102100204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196898057 + ... + 197916863.

It is an arithmetic number, because the mean of its divisors is an integer number (8930402276320).

Almost surely, 2^{201120102100220} is an apocalyptic number.

201120102100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120102100220 is an abundant number, since it is smaller than the sum of its proper divisors (227539207163140).

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

201120102100220 is a wasteful number, since it uses less digits than its factorization.

201120102100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166202 (or 1166200 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201120102100220 its reverse (22001201021102), we get a palindrome (223121303121322).

The spelling of 201120102100220 in words is "two hundred one trillion, one hundred twenty billion, one hundred two million, one hundred thousand, two hundred twenty".