17021139201 has 20 divisors (see below), whose sum is σ = 27738154224. Its totient is φ = 10315841400.

The previous prime is 17021139197. The next prime is 17021139203. The reversal of 17021139201 is 10293112071.

It is not a de Polignac number, because 17021139201 - 2² = 17021139197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (17021139203) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9550815 + ... + 9552596.

Almost surely, 2^17021139201 is an apocalyptic number.

17021139201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

17021139201 is a deficient number, since it is larger than the sum of its proper divisors (10717015023).

17021139201 is a wasteful number, since it uses less digits than its factorization.

17021139201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19103434 (or 19103425 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The spelling of 17021139201 in words is "seventeen billion, twenty-one million, one hundred thirty-nine thousand, two hundred one".