1112222101220 has 24 divisors (see below), whose sum is σ = 2335820121600. Its totient is φ = 444859562592.

The previous prime is 1112222101187. The next prime is 1112222101271. The reversal of 1112222101220 is 221012222111.

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, 1517060 + ... + 2127419.

It is an arithmetic number, because the mean of its divisors is an integer number (97325838400).

Almost surely, 2^{1112222101220} is an apocalyptic number.

1112222101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112222101220 is an abundant number, since it is smaller than the sum of its proper divisors (1223598020380).

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

1112222101220 is a wasteful number, since it uses less digits than its factorization.

1112222101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659747 (or 3659745 counting only the distinct ones).

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

Adding to 1112222101220 its reverse (221012222111), we get a palindrome (1333234323331).

The spelling of 1112222101220 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, one hundred one thousand, two hundred twenty".