200111120122120 has 32 divisors (see below), whose sum is σ = 450273311210520. Its totient is φ = 80040307438080.

The previous prime is 200111120122003. The next prime is 200111120122153. The reversal of 200111120122120 is 21221021111002.

It can be written as a sum of positive squares in 4 ways, for example, as 193231295386756 + 6879824735364 = 13900766^2 + 2622942^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200111120122094 and 200111120122103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128611101 + ... + 130157740.

Almost surely, 2^{200111120122120} is an apocalyptic number.

200111120122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200111120122120 is an abundant number, since it is smaller than the sum of its proper divisors (250162191088400).

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

200111120122120 is a wasteful number, since it uses less digits than its factorization.

200111120122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258788185 (or 258788181 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 200111120122120 its reverse (21221021111002), we get a palindrome (221332141233122).

The spelling of 200111120122120 in words is "two hundred trillion, one hundred eleven billion, one hundred twenty million, one hundred twenty-two thousand, one hundred twenty".