1120020002120 has 64 divisors (see below), whose sum is σ = 2547380934000. Its totient is φ = 443153203200.

The previous prime is 1120020002111. The next prime is 1120020002147. The reversal of 1120020002120 is 212000200211.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 32767516324 + 1087252485796 = 181018^2 + 1042714^2 .

It is an unprimeable number.

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, 7299956 + ... + 7451804.

Almost surely, 2^{1120020002120} is an apocalyptic number.

1120020002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120020002120 is an abundant number, since it is smaller than the sum of its proper divisors (1427360931880).

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

1120020002120 is a wasteful number, since it uses less digits than its factorization.

1120020002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153858 (or 153854 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1120020002120 its reverse (212000200211), we get a palindrome (1332020202331).

The spelling of 1120020002120 in words is "one trillion, one hundred twenty billion, twenty million, two thousand, one hundred twenty".