203011120001 has 4 divisors (see below), whose sum is σ = 203324893632. Its totient is φ = 202697346372.

The previous prime is 203011119977. The next prime is 203011120003. The reversal of 203011120001 is 100021110302.

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.

It is a cyclic number.

It is not a de Polignac number, because 203011120001 - 2²² = 203006925697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203011120003) 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, 156885845 + ... + 156887138.

It is an arithmetic number, because the mean of its divisors is an integer number (50831223408).

Almost surely, 2^203011120001 is an apocalyptic number.

It is an amenable number.

203011120001 is a deficient number, since it is larger than the sum of its proper divisors (313773631).

203011120001 is an equidigital number, since it uses as much as digits as its factorization.

203011120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313773630.

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

Adding to 203011120001 its reverse (100021110302), we get a palindrome (303032230303).

The spelling of 203011120001 in words is "two hundred three billion, eleven million, one hundred twenty thousand, one".