1123222221210 has 64 divisors (see below), whose sum is σ = 2806517094912. Its totient is φ = 287438409216.

The previous prime is 1123222221203. The next prime is 1123222221223. The reversal of 1123222221210 is 121222223211.

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 31 ways as a sum of consecutive naturals, for example, 6849874 + ... + 7011933.

It is an arithmetic number, because the mean of its divisors is an integer number (43851829608).

Almost surely, 2^{1123222221210} is an apocalyptic number.

1123222221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123222221210 is an abundant number, since it is smaller than the sum of its proper divisors (1683294873702).

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

1123222221210 is a wasteful number, since it uses less digits than its factorization.

1123222221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13861927.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1123222221210 its reverse (121222223211), we get a palindrome (1244444444421).

The spelling of 1123222221210 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred ten".