1122213011100 has 288 divisors, whose sum is σ = 3316883539200. Its totient is φ = 292897382400.

The previous prime is 1122213011093. The next prime is 1122213011209. The reversal of 1122213011100 is 11103122211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1122213011100.

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 95 ways as a sum of consecutive naturals, for example, 1702902571 + ... + 1702903229.

Almost surely, 2^{1122213011100} is an apocalyptic number.

1122213011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122213011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658441769600).

1122213011100 is an abundant number, since it is smaller than the sum of its proper divisors (2194670528100).

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

1122213011100 is a wasteful number, since it uses less digits than its factorization.

1122213011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1122213011100 its reverse (11103122211), we get a palindrome (1133316133311).

The spelling of 1122213011100 in words is "one trillion, one hundred twenty-two billion, two hundred thirteen million, eleven thousand, one hundred".