200120002011 has 48 divisors (see below), whose sum is σ = 298202752224. Its totient is φ = 129228244992.

The previous prime is 200120002009. The next prime is 200120002013. The reversal of 200120002011 is 110200021002.

It is an interprime number because it is at equal distance from previous prime (200120002009) and next prime (200120002013).

It is not a de Polignac number, because 200120002011 - 2¹ = 200120002009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200120001984 and 200120002002.

It is not an unprimeable number, because it can be changed into a prime (200120002013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106616005 + ... + 106617881.

It is an arithmetic number, because the mean of its divisors is an integer number (6212557338).

Almost surely, 2^200120002011 is an apocalyptic number.

200120002011 is a deficient number, since it is larger than the sum of its proper divisors (98082750213).

200120002011 is a wasteful number, since it uses less digits than its factorization.

200120002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180 (or 3177 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200120002011 its reverse (110200021002), we get a palindrome (310320023013).

The spelling of 200120002011 in words is "two hundred billion, one hundred twenty million, two thousand, eleven".