1222322121110 has 16 divisors (see below), whose sum is σ = 2200582069632. Its totient is φ = 488839459200.

The previous prime is 1222322121109. The next prime is 1222322121149. The reversal of 1222322121110 is 111212232221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11116211 + ... + 11225630.

It is an arithmetic number, because the mean of its divisors is an integer number (137536379352).

Almost surely, 2^{1222322121110} is an apocalyptic number.

1222322121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222322121110 is a deficient number, since it is larger than the sum of its proper divisors (978259948522).

1222322121110 is a wasteful number, since it uses less digits than its factorization.

1222322121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22347319.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1222322121110 its reverse (111212232221), we get a palindrome (1333534353331).

The spelling of 1222322121110 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-two million, one hundred twenty-one thousand, one hundred ten".