1001220001110 has 192 divisors, whose sum is σ = 3060186210432. Its totient is φ = 222320775168.

The previous prime is 1001220001097. The next prime is 1001220001123. The reversal of 1001220001110 is 111000221001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1001220001097) and next prime (1001220001123).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1001220001092 and 1001220001101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15188542 + ... + 15254318.

It is an arithmetic number, because the mean of its divisors is an integer number (15938469846).

Almost surely, 2^{1001220001110} is an apocalyptic number.

1001220001110 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 1001220001110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1530093105216).

1001220001110 is an abundant number, since it is smaller than the sum of its proper divisors (2058966209322).

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

1001220001110 is a wasteful number, since it uses less digits than its factorization.

1001220001110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66487 (or 66484 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1001220001110 its reverse (111000221001), we get a palindrome (1112220222111).

The spelling of 1001220001110 in words is "one trillion, one billion, two hundred twenty million, one thousand, one hundred ten".