2211022222120 has 16 divisors (see below), whose sum is σ = 4974799999860. Its totient is φ = 884408888832.

The previous prime is 2211022222109. The next prime is 2211022222133. The reversal of 2211022222120 is 212222201122.

It can be written as a sum of positive squares in 2 ways, for example, as 2181357671364 + 29664550756 = 1476942^2 + 172234^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27637777737 + ... + 27637777816.

Almost surely, 2^{2211022222120} is an apocalyptic number.

2211022222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211022222120 is an abundant number, since it is smaller than the sum of its proper divisors (2763777777740).

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

2211022222120 is a wasteful number, since it uses less digits than its factorization.

2211022222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55275555564 (or 55275555560 counting only the distinct ones).

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

Adding to 2211022222120 its reverse (212222201122), we get a palindrome (2423244423242).

The spelling of 2211022222120 in words is "two trillion, two hundred eleven billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty".