2201122222120 has 32 divisors (see below), whose sum is σ = 5123301726600. Its totient is φ = 850088581888.

The previous prime is 2201122222069. The next prime is 2201122222153. The reversal of 2201122222120 is 212222211022.

It can be written as a sum of positive squares in 4 ways, for example, as 1750207286116 + 450914936004 = 1322954^2 + 671502^2 .

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, 948758419 + ... + 948760738.

Almost surely, 2^{2201122222120} is an apocalyptic number.

2201122222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201122222120 is an abundant number, since it is smaller than the sum of its proper divisors (2922179504480).

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

2201122222120 is a wasteful number, since it uses less digits than its factorization.

2201122222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897519197 (or 1897519193 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2201122222120 its reverse (212222211022), we get a palindrome (2413344433142).

It can be divided in two parts, 2201122 and 222120, that added together give a palindrome (2423242).

The spelling of 2201122222120 in words is "two trillion, two hundred one billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty".