200120000002011 has 24 divisors (see below), whose sum is σ = 297235437742880. Its totient is φ = 129649842521856.

The previous prime is 200120000002003. The next prime is 200120000002031. The reversal of 200120000002011 is 110200000021002.

It is not a de Polignac number, because 200120000002011 - 2³ = 200120000002003 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200120000001984 and 200120000002002.

It is not an unprimeable number, because it can be changed into a prime (200120000002001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364829806 + ... + 365377923.

Almost surely, 2^{200120000002011} is an apocalyptic number.

200120000002011 is a deficient number, since it is larger than the sum of its proper divisors (97115437740869).

200120000002011 is a wasteful number, since it uses less digits than its factorization.

200120000002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730208595 (or 730208592 counting only the distinct ones).

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

Adding to 200120000002011 its reverse (110200000021002), we get a palindrome (310320000023013).

The spelling of 200120000002011 in words is "two hundred trillion, one hundred twenty billion, two thousand, eleven".