1210221122 has 8 divisors (see below), whose sum is σ = 1980361872. Its totient is φ = 550100500.

The previous prime is 1210221119. The next prime is 1210221161. The reversal of 1210221122 is 2211220121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1210221097 and 1210221106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27505004 + ... + 27505047.

It is an arithmetic number, because the mean of its divisors is an integer number (247545234).

Almost surely, 2^1210221122 is an apocalyptic number.

1210221122 is a deficient number, since it is larger than the sum of its proper divisors (770140750).

1210221122 is a wasteful number, since it uses less digits than its factorization.

1210221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55010064.

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

The square root of 1210221122 is about 34788.2325219319. The cubic root of 1210221122 is about 1065.6671441346.

Adding to 1210221122 its reverse (2211220121), we get a palindrome (3421441243).

The spelling of 1210221122 in words is "one billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty-two".