200120111120 has 40 divisors (see below), whose sum is σ = 476627540760. Its totient is φ = 78095651840.

The previous prime is 200120111117. The next prime is 200120111129. The reversal of 200120111120 is 21111021002.

It can be written as a sum of positive squares in 4 ways, for example, as 32701658896 + 167418452224 = 180836^2 + 409168^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×200120111120² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200120111129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30502835 + ... + 30509394.

It is an arithmetic number, because the mean of its divisors is an integer number (11915688519).

Almost surely, 2^200120111120 is an apocalyptic number.

200120111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200120111120 is an abundant number, since it is smaller than the sum of its proper divisors (276507429640).

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

200120111120 is a wasteful number, since it uses less digits than its factorization.

200120111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61012283 (or 61012277 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200120111120 its reverse (21111021002), we get a palindrome (221231132122).

The spelling of 200120111120 in words is "two hundred billion, one hundred twenty million, one hundred eleven thousand, one hundred twenty".