401211121232303 has 4 divisors (see below), whose sum is σ = 401218967705928. Its totient is φ = 401203274758680.

The previous prime is 401211121232177. The next prime is 401211121232333. The reversal of 401211121232303 is 303232121112104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401211121232303 - 2¹⁰ = 401211121231279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401211121232333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3923160113 + ... + 3923262378.

It is an arithmetic number, because the mean of its divisors is an integer number (100304741926482).

Almost surely, 2^{401211121232303} is an apocalyptic number.

401211121232303 is a deficient number, since it is larger than the sum of its proper divisors (7846473625).

401211121232303 is an equidigital number, since it uses as much as digits as its factorization.

401211121232303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7846473624.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 401211121232303 its reverse (303232121112104), we get a palindrome (704443242344407).

The spelling of 401211121232303 in words is "four hundred one trillion, two hundred eleven billion, one hundred twenty-one million, two hundred thirty-two thousand, three hundred three".