100021206475 has 96 divisors (see below), whose sum is σ = 135778809600. Its totient is φ = 72850752000.

The previous prime is 100021206433. The next prime is 100021206521. The reversal of 100021206475 is 574602120001.

It is a de Polignac number, because none of the positive numbers 2^k-100021206475 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 353431684 + ... + 353431966.

It is an arithmetic number, because the mean of its divisors is an integer number (1414362600).

Almost surely, 2^100021206475 is an apocalyptic number.

100021206475 is a deficient number, since it is larger than the sum of its proper divisors (35757603125).

100021206475 is a wasteful number, since it uses less digits than its factorization.

100021206475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 100021206475 its reverse (574602120001), we get a palindrome (674623326476).

The spelling of 100021206475 in words is "one hundred billion, twenty-one million, two hundred six thousand, four hundred seventy-five".