1121022022200 has 192 divisors, whose sum is σ = 3653939570400. Its totient is φ = 283899033600.

The previous prime is 1121022022067. The next prime is 1121022022201. The reversal of 1121022022200 is 22202201211.

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 1121022022200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121022022201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 533314 + ... + 1589486.

Almost surely, 2^{1121022022200} is an apocalyptic number.

1121022022200 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 1121022022200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826969785200).

1121022022200 is an abundant number, since it is smaller than the sum of its proper divisors (2532917548200).

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

1121022022200 is a wasteful number, since it uses less digits than its factorization.

1121022022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056282 (or 1056273 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1121022022200 its reverse (22202201211), we get a palindrome (1143224223411).

The spelling of 1121022022200 in words is "one trillion, one hundred twenty-one billion, twenty-two million, twenty-two thousand, two hundred".