401103221001 has 16 divisors (see below), whose sum is σ = 613018583424. Its totient is φ = 228521712384.

The previous prime is 401103220997. The next prime is 401103221021. The reversal of 401103221001 is 100122301104.

It is not a de Polignac number, because 401103221001 - 2² = 401103220997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401103221021) 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, 28331430 + ... + 28345583.

It is an arithmetic number, because the mean of its divisors is an integer number (38313661464).

Almost surely, 2^401103221001 is an apocalyptic number.

It is an amenable number.

401103221001 is a deficient number, since it is larger than the sum of its proper divisors (211915362423).

401103221001 is a wasteful number, since it uses less digits than its factorization.

401103221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56677360.

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

Adding to 401103221001 its reverse (100122301104), we get a palindrome (501225522105).

The spelling of 401103221001 in words is "four hundred one billion, one hundred three million, two hundred twenty-one thousand, one".