1011103322220 has 36 divisors (see below), whose sum is σ = 3067013411280. Its totient is φ = 269627552544.

The previous prime is 1011103322189. The next prime is 1011103322261. The reversal of 1011103322220 is 222233011101.

1011103322220 is a `hidden beast` number, since 1 + 0 + 1 + 110 + 332 + 2 + 220 = 666.

1011103322220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1011103322220² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1011103322193 and 1011103322202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2808620160 + ... + 2808620519.

It is an arithmetic number, because the mean of its divisors is an integer number (85194816980).

Almost surely, 2^{1011103322220} is an apocalyptic number.

1011103322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011103322220 is an abundant number, since it is smaller than the sum of its proper divisors (2055910089060).

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

1011103322220 is a wasteful number, since it uses less digits than its factorization.

1011103322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617240694 (or 5617240689 counting only the distinct ones).

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

Adding to 1011103322220 its reverse (222233011101), we get a palindrome (1233336333321).

The spelling of 1011103322220 in words is "one trillion, eleven billion, one hundred three million, three hundred twenty-two thousand, two hundred twenty".