401103221000 has 32 divisors (see below), whose sum is σ = 938581539480. Its totient is φ = 160441288000.

The previous prime is 401103220997. The next prime is 401103221021. The reversal of 401103221000 is 122301104.

It can be written as a sum of positive squares in 4 ways, for example, as 137689976356 + 263413244644 = 371066^2 + 513238^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200550611 + ... + 200552610.

Almost surely, 2^401103221000 is an apocalyptic number.

401103221000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401103221000 is an abundant number, since it is smaller than the sum of its proper divisors (537478318480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401103221000 is a wasteful number, since it uses less digits than its factorization.

401103221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401103242 (or 401103228 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 401103221000 its reverse (122301104), we get a palindrome (401225522104).

The spelling of 401103221000 in words is "four hundred one billion, one hundred three million, two hundred twenty-one thousand".