1211120222 has 32 divisors (see below), whose sum is σ = 2074312800. Its totient is φ = 525385728.

The previous prime is 1211120221. The next prime is 1211120227. The reversal of 1211120222 is 2220211121.

It is a junction number, because it is equal to n+sod(n) for n = 1211120197 and 1211120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211120221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449054 + ... + 451742.

It is an arithmetic number, because the mean of its divisors is an integer number (64822275).

Almost surely, 2^1211120222 is an apocalyptic number.

1211120222 is a deficient number, since it is larger than the sum of its proper divisors (863192578).

1211120222 is a wasteful number, since it uses less digits than its factorization.

1211120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740.

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

The square root of 1211120222 is about 34801.1525958552. The cubic root of 1211120222 is about 1065.9309813610.

Adding to 1211120222 its reverse (2220211121), we get a palindrome (3431331343).

The spelling of 1211120222 in words is "one billion, two hundred eleven million, one hundred twenty thousand, two hundred twenty-two".