172201002101002 has 16 divisors (see below), whose sum is σ = 295228903129920. Its totient is φ = 73793633161248.

The previous prime is 172201002100999. The next prime is 172201002101017. The reversal of 172201002101002 is 200101200102271.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566201763 + ... + 566505814.

It is an arithmetic number, because the mean of its divisors is an integer number (18451806445620).

Almost surely, 2^{172201002101002} is an apocalyptic number.

172201002101002 is a deficient number, since it is larger than the sum of its proper divisors (123027901028918).

172201002101002 is a wasteful number, since it uses less digits than its factorization.

172201002101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132718445.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 172201002101002 its reverse (200101200102271), we get a palindrome (372302202203273).

The spelling of 172201002101002 in words is "one hundred seventy-two trillion, two hundred one billion, two million, one hundred one thousand, two".