1120012221000 has 64 divisors (see below), whose sum is σ = 3494438138880. Its totient is φ = 298669924800.

The previous prime is 1120012220959. The next prime is 1120012221007. The reversal of 1120012221000 is 1222100211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1120012221007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186665704 + ... + 186671703.

It is an arithmetic number, because the mean of its divisors is an integer number (54600595920).

Almost surely, 2^{1120012221000} is an apocalyptic number.

1120012221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120012221000 is an abundant number, since it is smaller than the sum of its proper divisors (2374425917880).

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

1120012221000 is a wasteful number, since it uses less digits than its factorization.

1120012221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373337431 (or 373337417 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1120012221000 its reverse (1222100211), we get a palindrome (1121234321211).

The spelling of 1120012221000 in words is "one trillion, one hundred twenty billion, twelve million, two hundred twenty-one thousand".