203140120011 has 16 divisors (see below), whose sum is σ = 276684056064. Its totient is φ = 132512876384.

The previous prime is 203140120003. The next prime is 203140120033. The reversal of 203140120011 is 110021041302.

It is a cyclic number.

It is not a de Polignac number, because 203140120011 - 2³ = 203140120003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203140120411) 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, 408460 + ... + 757046.

It is an arithmetic number, because the mean of its divisors is an integer number (17292753504).

Almost surely, 2^203140120011 is an apocalyptic number.

203140120011 is a deficient number, since it is larger than the sum of its proper divisors (73543936053).

203140120011 is a wasteful number, since it uses less digits than its factorization.

203140120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352770.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 203140120011 its reverse (110021041302), we get a palindrome (313161161313).

The spelling of 203140120011 in words is "two hundred three billion, one hundred forty million, one hundred twenty thousand, eleven".