1121220020004 has 24 divisors (see below), whose sum is σ = 2989920053568. Its totient is φ = 320348577120.

The previous prime is 1121220020003. The next prime is 1121220020009. The reversal of 1121220020004 is 4000200221211.

It is not an unprimeable number, because it can be changed into a prime (1121220020003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6673928607 + ... + 6673928774.

It is an arithmetic number, because the mean of its divisors is an integer number (124580002232).

Almost surely, 2^{1121220020004} is an apocalyptic number.

1121220020004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1121220020004 is an abundant number, since it is smaller than the sum of its proper divisors (1868700033564).

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

1121220020004 is a wasteful number, since it uses less digits than its factorization.

1121220020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13347857395 (or 13347857393 counting only the distinct ones).

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

Adding to 1121220020004 its reverse (4000200221211), we get a palindrome (5121420241215).

The spelling of 1121220020004 in words is "one trillion, one hundred twenty-one billion, two hundred twenty million, twenty thousand, four".