1122221122000 has 80 divisors (see below), whose sum is σ = 2960215337664. Its totient is φ = 408080400000.

The previous prime is 1122221121977. The next prime is 1122221122007. The reversal of 1122221122000 is 2211222211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122221122007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25483026 + ... + 25527025.

Almost surely, 2^{1122221122000} is an apocalyptic number.

1122221122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122221122000 is an abundant number, since it is smaller than the sum of its proper divisors (1837994215664).

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

1122221122000 is a wasteful number, since it uses less digits than its factorization.

1122221122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51010085 (or 51010069 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1122221122000 its reverse (2211222211), we get a palindrome (1124432344211).

It can be divided in two parts, 11222211 and 22000, that added together give a palindrome (11244211).

The spelling of 1122221122000 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand".