203021230011 has 8 divisors (see below), whose sum is σ = 273224833344. Its totient is φ = 134082556680.

The previous prime is 203021230003. The next prime is 203021230021. The reversal of 203021230011 is 110032120302.

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

It is not a de Polignac number, because 203021230011 - 2³ = 203021230003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203021230021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316232125 + ... + 316232766.

It is an arithmetic number, because the mean of its divisors is an integer number (34153104168).

Almost surely, 2^203021230011 is an apocalyptic number.

203021230011 is a deficient number, since it is larger than the sum of its proper divisors (70203603333).

203021230011 is a wasteful number, since it uses less digits than its factorization.

203021230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632465001.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 203021230011 its reverse (110032120302), we get a palindrome (313053350313).

The spelling of 203021230011 in words is "two hundred three billion, twenty-one million, two hundred thirty thousand, eleven".