1222220211110 has 16 divisors (see below), whose sum is σ = 2200095475632. Its totient is φ = 488866063200.

The previous prime is 1222220211103. The next prime is 1222220211131. The reversal of 1222220211110 is 111120222221.

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, 2518601 + ... + 2964420.

It is an arithmetic number, because the mean of its divisors is an integer number (137505967227).

Almost surely, 2^{1222220211110} is an apocalyptic number.

1222220211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222220211110 is a deficient number, since it is larger than the sum of its proper divisors (977875264522).

1222220211110 is a wasteful number, since it uses less digits than its factorization.

1222220211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505319.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1222220211110 its reverse (111120222221), we get a palindrome (1333340433331).

The spelling of 1222220211110 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, two hundred eleven thousand, one hundred ten".