171001221212003 has 8 divisors (see below), whose sum is σ = 210463041491808. Its totient is φ = 135297669530304.

The previous prime is 171001221211991. The next prime is 171001221212083. The reversal of 171001221212003 is 300212122100171.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 171001221212003 - 2³² = 170996926244707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 171001221212003.

It is not an unprimeable number, because it can be changed into a prime (171001221212083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939567149426 + ... + 939567149607.

It is an arithmetic number, because the mean of its divisors is an integer number (26307880186476).

Almost surely, 2^{171001221212003} is an apocalyptic number.

171001221212003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

171001221212003 is a deficient number, since it is larger than the sum of its proper divisors (39461820279805).

171001221212003 is a wasteful number, since it uses less digits than its factorization.

171001221212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879134299053.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 171001221212003 its reverse (300212122100171), we get a palindrome (471213343312174).

The spelling of 171001221212003 in words is "one hundred seventy-one trillion, one billion, two hundred twenty-one million, two hundred twelve thousand, three".