203021050011 has 32 divisors (see below), whose sum is σ = 295280885760. Its totient is φ = 123323900544.

The previous prime is 203021050009. The next prime is 203021050079. The reversal of 203021050011 is 110050120302.

It is not a de Polignac number, because 203021050011 - 2¹ = 203021050009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203021050091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21879705 + ... + 21888981.

It is an arithmetic number, because the mean of its divisors is an integer number (9227527680).

Almost surely, 2^203021050011 is an apocalyptic number.

203021050011 is a deficient number, since it is larger than the sum of its proper divisors (92259835749).

203021050011 is a wasteful number, since it uses less digits than its factorization.

203021050011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16475.

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 203021050011 its reverse (110050120302), we get a palindrome (313071170313).

The spelling of 203021050011 in words is "two hundred three billion, twenty-one million, fifty thousand, eleven".