1003321212201 has 24 divisors (see below), whose sum is σ = 1806846859584. Its totient is φ = 521205824160.

The previous prime is 1003321212143. The next prime is 1003321212227. The reversal of 1003321212201 is 1022121233001.

1003321212201 is a `hidden beast` number, since 10 + 0 + 332 + 121 + 2 + 201 = 666.

It is not a de Polignac number, because 1003321212201 - 2⁶ = 1003321212137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1003321212251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 723896286 + ... + 723897671.

It is an arithmetic number, because the mean of its divisors is an integer number (75285285816).

Almost surely, 2^{1003321212201} is an apocalyptic number.

1003321212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1003321212201 is a deficient number, since it is larger than the sum of its proper divisors (803525647383).

1003321212201 is a wasteful number, since it uses less digits than its factorization.

1003321212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447793981 (or 1447793978 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1003321212201 its reverse (1022121233001), we get a palindrome (2025442445202).

The spelling of 1003321212201 in words is "one trillion, three billion, three hundred twenty-one million, two hundred twelve thousand, two hundred one".