2221011010220 has 24 divisors (see below), whose sum is σ = 4664285574144. Its totient is φ = 888373460736.

The previous prime is 2221011010219. The next prime is 2221011010241. The reversal of 2221011010220 is 220101101222.

It is a junction number, because it is equal to n+sod(n) for n = 2221011010195 and 2221011010204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1340957 + ... + 2498036.

It is an arithmetic number, because the mean of its divisors is an integer number (194345232256).

Almost surely, 2^{2221011010220} is an apocalyptic number.

2221011010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221011010220 is an abundant number, since it is smaller than the sum of its proper divisors (2443274563924).

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

2221011010220 is a wasteful number, since it uses less digits than its factorization.

2221011010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867929 (or 3867927 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2221011010220 its reverse (220101101222), we get a palindrome (2441112111442).

It can be divided in two parts, 222101 and 1010220, that added together give a palindrome (1232321).

The spelling of 2221011010220 in words is "two trillion, two hundred twenty-one billion, eleven million, ten thousand, two hundred twenty".