1112222122100 has 36 divisors (see below), whose sum is σ = 2413673850924. Its totient is φ = 444860858880.

The previous prime is 1112222122079. The next prime is 1112222122147. The reversal of 1112222122100 is 12212222111.

It can be written as a sum of positive squares in 6 ways, for example, as 29511116944 + 1082711005156 = 171788^2 + 1040534^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1285562 + ... + 1969038.

It is an arithmetic number, because the mean of its divisors is an integer number (67046495859).

Almost surely, 2^{1112222122100} is an apocalyptic number.

1112222122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112222122100 is an abundant number, since it is smaller than the sum of its proper divisors (1301451728824).

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

1112222122100 is a wasteful number, since it uses less digits than its factorization.

1112222122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699764 (or 699757 counting only the distinct ones).

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

Adding to 1112222122100 its reverse (12212222111), we get a palindrome (1124434344211).

It can be divided in two parts, 111222 and 2122100, that added together give a palindrome (2233322).

The spelling of 1112222122100 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred".