1222212101110 has 512 divisors, whose sum is σ = 3349504327680. Its totient is φ = 308340172800.

The previous prime is 1222212101081. The next prime is 1222212101161. The reversal of 1222212101110 is 111012122221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 135600964 + ... + 135609976.

It is an arithmetic number, because the mean of its divisors is an integer number (6542000640).

Almost surely, 2^{1222212101110} is an apocalyptic number.

1222212101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222212101110 is an abundant number, since it is smaller than the sum of its proper divisors (2127292226570).

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

1222212101110 is a wasteful number, since it uses less digits than its factorization.

1222212101110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9124.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1222212101110 its reverse (111012122221), we get a palindrome (1333224223331).

The spelling of 1222212101110 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, one hundred one thousand, one hundred ten".