1220233201110 has 432 divisors, whose sum is σ = 4066612149600. Its totient is φ = 252928811520.

The previous prime is 1220233201091. The next prime is 1220233201123. The reversal of 1220233201110 is 111023320221.

1220233201110 is a `hidden beast` number, since 1 + 220 + 2 + 332 + 0 + 1 + 110 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 234252186 + ... + 234257394.

It is an arithmetic number, because the mean of its divisors is an integer number (9413454050).

Almost surely, 2^{1220233201110} is an apocalyptic number.

1220233201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220233201110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2033306074800).

1220233201110 is an abundant number, since it is smaller than the sum of its proper divisors (2846378948490).

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

1220233201110 is a wasteful number, since it uses less digits than its factorization.

1220233201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697 (or 5676 counting only the distinct ones).

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

Adding to 1220233201110 its reverse (111023320221), we get a palindrome (1331256521331).

The spelling of 1220233201110 in words is "one trillion, two hundred twenty billion, two hundred thirty-three million, two hundred one thousand, one hundred ten".