1001330222220 has 72 divisors (see below), whose sum is σ = 3037587287280. Its totient is φ = 267002144640.

The previous prime is 1001330222177. The next prime is 1001330222239. The reversal of 1001330222220 is 222220331001.

1001330222220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 1001330222193 and 1001330222202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2396715 + ... + 2783325.

Almost surely, 2^{1001330222220} is an apocalyptic number.

1001330222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001330222220 is an abundant number, since it is smaller than the sum of its proper divisors (2036257065060).

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

1001330222220 is a wasteful number, since it uses less digits than its factorization.

1001330222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401015 (or 401010 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1001330222220 its reverse (222220331001), we get a palindrome (1223550553221).

The spelling of 1001330222220 in words is "one trillion, one billion, three hundred thirty million, two hundred twenty-two thousand, two hundred twenty".