110201201220 has 48 divisors (see below), whose sum is σ = 336614580288. Its totient is φ = 26715442560.

The previous prime is 110201201189. The next prime is 110201201249. The reversal of 110201201220 is 22102102011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 110201201196 and 110201201205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83485099 + ... + 83486418.

It is an arithmetic number, because the mean of its divisors is an integer number (7012803756).

Almost surely, 2^110201201220 is an apocalyptic number.

110201201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110201201220 is an abundant number, since it is smaller than the sum of its proper divisors (226413379068).

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

110201201220 is a wasteful number, since it uses less digits than its factorization.

110201201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166971540 (or 166971538 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 110201201220 its reverse (22102102011), we get a palindrome (132303303231).

The spelling of 110201201220 in words is "one hundred ten billion, two hundred one million, two hundred one thousand, two hundred twenty".