203132012111001 has 16 divisors (see below), whose sum is σ = 301036593037120. Its totient is φ = 135376215948000.

The previous prime is 203132012110997. The next prime is 203132012111071. The reversal of 203132012111001 is 100111210231302.

203132012111001 is a `hidden beast` number, since 2 + 0 + 31 + 320 + 1 + 211 + 100 + 1 = 666.

It is not a de Polignac number, because 203132012111001 - 2² = 203132012110997 is a prime.

It is a super-2 number, since 2×203132012111001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203132012111071) 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, 1253402455 + ... + 1253564508.

It is an arithmetic number, because the mean of its divisors is an integer number (18814787064820).

Almost surely, 2^{203132012111001} is an apocalyptic number.

It is an amenable number.

203132012111001 is a deficient number, since it is larger than the sum of its proper divisors (97904580926119).

203132012111001 is a wasteful number, since it uses less digits than its factorization.

203132012111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506969973 (or 2506969967 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 203132012111001 its reverse (100111210231302), we get a palindrome (303243222342303).

The spelling of 203132012111001 in words is "two hundred three trillion, one hundred thirty-two billion, twelve million, one hundred eleven thousand, one".