200120120021011 has 8 divisors (see below), whose sum is σ = 200480245318080. Its totient is φ = 199759997747328.

The previous prime is 200120120021009. The next prime is 200120120021023. The reversal of 200120120021011 is 110120021021002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200120120021011 - 2¹ = 200120120021009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200120120020982 and 200120120021000.

It is not an unprimeable number, because it can be changed into a prime (200120120021111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 164023035 + ... + 165238603.

It is an arithmetic number, because the mean of its divisors is an integer number (25060030664760).

Almost surely, 2^{200120120021011} is an apocalyptic number.

200120120021011 is a deficient number, since it is larger than the sum of its proper divisors (360125297069).

200120120021011 is a wasteful number, since it uses less digits than its factorization.

200120120021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511693.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200120120021011 its reverse (110120021021002), we get a palindrome (310240141042013).

Subtracting from 200120120021011 its reverse (110120021021002), we obtain a palindrome (90000099000009).

The spelling of 200120120021011 in words is "two hundred trillion, one hundred twenty billion, one hundred twenty million, twenty-one thousand, eleven".