2221201122 has 16 divisors (see below), whose sum is σ = 5077031232. Its totient is φ = 634628880.

The previous prime is 2221201109. The next prime is 2221201141. The reversal of 2221201122 is 2211021222.

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, 26442829 + ... + 26442912.

It is an arithmetic number, because the mean of its divisors is an integer number (317314452).

Almost surely, 2^2221201122 is an apocalyptic number.

2221201122 is an abundant number, since it is smaller than the sum of its proper divisors (2855830110).

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

2221201122 is a wasteful number, since it uses less digits than its factorization.

2221201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52885753.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2221201122 is about 47129.6204313169. The cubic root of 2221201122 is about 1304.7559761572.

Adding to 2221201122 its reverse (2211021222), we get a palindrome (4432222344).

The spelling of 2221201122 in words is "two billion, two hundred twenty-one million, two hundred one thousand, one hundred twenty-two".