203100112001 has 4 divisors (see below), whose sum is σ = 213789591600. Its totient is φ = 192410632404.

The previous prime is 203100111997. The next prime is 203100112037. The reversal of 203100112001 is 100211001302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100211001302 = 2 ⋅50105500651.

It is a cyclic number.

It is not a de Polignac number, because 203100112001 - 2² = 203100111997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203100112601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5344739771 + ... + 5344739808.

It is an arithmetic number, because the mean of its divisors is an integer number (53447397900).

Almost surely, 2^203100112001 is an apocalyptic number.

It is an amenable number.

203100112001 is a deficient number, since it is larger than the sum of its proper divisors (10689479599).

203100112001 is a wasteful number, since it uses less digits than its factorization.

203100112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10689479598.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 203100112001 its reverse (100211001302), we get a palindrome (303311113303).

The spelling of 203100112001 in words is "two hundred three billion, one hundred million, one hundred twelve thousand, one".