203444012211 has 16 divisors (see below), whose sum is σ = 297188611200. Its totient is φ = 122770214720.

The previous prime is 203444012209. The next prime is 203444012281. The reversal of 203444012211 is 112210444302.

It is a cyclic number.

It is not a de Polignac number, because 203444012211 - 2¹ = 203444012209 is a prime.

It is a super-2 number, since 2×203444012211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203444012281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13221861 + ... + 13237238.

It is an arithmetic number, because the mean of its divisors is an integer number (18574288200).

Almost surely, 2^203444012211 is an apocalyptic number.

203444012211 is a deficient number, since it is larger than the sum of its proper divisors (93744598989).

203444012211 is a wasteful number, since it uses less digits than its factorization.

203444012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26459346.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 203444012211 its reverse (112210444302), we get a palindrome (315654456513).

The spelling of 203444012211 in words is "two hundred three billion, four hundred forty-four million, twelve thousand, two hundred eleven".