2211121022 has 16 divisors (see below), whose sum is σ = 3620583792. Its totient is φ = 1004392320.

The previous prime is 2211121019. The next prime is 2211121061. The reversal of 2211121022 is 2201211122.

It is a junction number, because it is equal to n+sod(n) for n = 2211120988 and 2211121006.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1808 + ... + 66524.

It is an arithmetic number, because the mean of its divisors is an integer number (226286487).

Almost surely, 2^2211121022 is an apocalyptic number.

2211121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2211121022 is a deficient number, since it is larger than the sum of its proper divisors (1409462770).

2211121022 is a wasteful number, since it uses less digits than its factorization.

2211121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66283.

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

The square root of 2211121022 is about 47022.5586500777. The cubic root of 2211121022 is about 1302.7792654238.

Adding to 2211121022 its reverse (2201211122), we get a palindrome (4412332144).

The spelling of 2211121022 in words is "two billion, two hundred eleven million, one hundred twenty-one thousand, twenty-two".